Japanese Serial Killers

This is a list of notable serial killers, by the country where most of the killings occurred.

Convicted serial killers by country

Afghanistan

*Abdullah Shah: killed at least 20 travelers on the road from Kabul to Jalalabad while serving under warlord Zardad Khan; also killed his wife; executed in 2004.

Argentina

* Marcelo Antelo: known as "The San La Muerte Killer"; drug addict who killed at least four people in Buenos Aires between February and August 2010, allegedly in the name of a pagan saint; sentenced to life imprisonment.
* Roberto José Carmona: known as "The Human Hyena"; abducted, raped and shot a teenager in 1986; sentenced to life, killed two inmates in prison; murdered a cab driver after a brief escape from prison and is now awaiting charges in this case.
* Diego Casanova: known as "The Prisoner Killer"; after going to prison for a murder he committed in 2004, he murdered four inmates in the Boulogne Sur Mer prison.
*Juan Catalino Domínguez: ranch hand who killed eight people around southeast Buenos Aires Province from 1944 to 1948 while on the run; shot dead by police in 1948.
*Florencio Fernández: known as "The Argentine Vampire"; killed 15 women in his hometown of Monteros, Tucumán Province, during the 1950s, died in jail in 1968. Dismissed as an urban legend by several Argentine sources.
*Cayetano Santos Godino: known as "Petiso Orejudo" ("Big Eared Midget"); at 16, killed four children in 1912; died in prison in 1944.
*Cayetano Domingo Grossi: the first known serial killer in Argentine history; Italian immigrant who murdered five of his newborn children between 1896 and 1898; executed in 1900.
*Francisco Antonio Laureana: known as "The Satyr of San Isidro"; murdered 15 women from 1974 to 1975 in the northern area of Greater Buenos Aires, raping 13 of them; killed in a shootout with the police in February 1975.
*Yiya Murano: known as "The Poisoner of Monserrat", poisoned three female acquaintances over borrowed money in Buenos Aires in 1979.
*Javier Hernán Pino: killed and robbed five people between February and October 2015 in three cities in different provinces across the country; sentenced to life imprisonment.
* Robledo Puch: known as "The Death Angel"; killed 11 people before his arrest in 1972; sentenced to life imprisonment in 1980.

Australia

* John Balaban: known as "The Romanian Maniac"; Romanian emigrant who murdered at least five people in France and Australia from 1948 to 1953, including his wife and her family; executed in 1953.
* David and Catherine Birnie: responsible for "The Moorhouse Murders"; couple from the Perth suburb of Willagee who raped and murdered four women in 1986.
*Gregory Brazel: Victoria man who shot a woman to death in a 1982 armed robbery, and murdered two prostitutes in 1990.
* John Bunting, Robert Wagner and James Vlassakis: convicted of the Snowtown murders of 12 people between 1992 and 1999. Also known as the "Bodies in the Barrels Murders".
*Robert Francis Burns: Irish convict transported to Australia in 1862; confessed to eight killings; hanged in Ararat in 1883.
*Eric Edgar Cooke: known as "The Night Caller"; killed at least eight people and attempted to kill many more in and around Perth between 1959 and 1963; executed in 1964, becoming the last person to be hanged in Western Australia.
*John Leslie Coombes: killed two men in 1984 and one woman in 2009 around the Victoria area.
*Bandali Debs: convicted of murdering two police officers and two prostitutes in the 1990s.
* Paul Denyer: known as "The Frankston Killer"; murdered three women in 1993 in the Melbourne suburb of Frankston; sentenced to life imprisonment.
*Peter Dupas: serving three life sentences for multiple murder and rape charges in Victoria.
* Bradley Robert Edwards: responsible for the "Claremont serial killings"; killed at least two women in Claremont from 1996 to 1997; suspect in the disappearance of a third; sentenced to life imprisonment.
*Kathleen Folbigg: murdered four of her infants between 1991 and 1999.
*Leonard Fraser: known as "The Rockhampton Rapist"; convicted of killing four women in Rockhampton, Queensland.
*John Wayne Glover: known as "The Granny Killer"; killed six elderly women on Sydney's North Shore; committed suicide in 2005.
*Caroline Grills: known as "Auntie Thally"; a serial poisoner of five family members in New South Wales between 1947 and 1953.
* Paul Steven Haigh: sentenced to life imprisonment without parole for the murders of seven people in Victoria in the late 1970s.
* Matthew James Harris: strangled a friend's brother, a female friend, and a male neighbor to death over five weeks in 1998 in Wagga Wagga.
*Thomas Jeffrey: Tasmanian penal colony escapee responsible for the murders of five people; executed in 1826.
*Frances Knorr: known as "The Baby Farming Murderess"; English-born baby farmer who killed three infants; executed in 1894.
*Eddie Leonski: known as "The Brownout Strangler"; United States Army soldier who killed three women in Melbourne; executed by the U.S. military in 1942.
* John Lynch: known as "The Berrima Axe Murderer"; killed ten people from 1835 to 1841. Executed in 1842.
* William MacDonald: known as "The Mutilator"; English immigrant who killed at least five men between June 1961 and April 1963 throughout Sydney. Died in prison in 2015, becoming the longest serving inmate in New South Wales.
*John and Sarah Makin: late 19th century baby farmers who killed and buried 12 children at a succession of their homes. John was executed in 1893, while Sarah was reprieved, and paroled in 1911.
* Malachi Martin: convicted of killing Jane Macmanamin and suspected of murdering four additional people as well as being implicated in the suspicious death of his mother; hanged at the Adelaide Gaol in 1862.
*Ivan Milat: killed at least seven tourists in Belanglo State Forest, New South Wales between 1989 and 1993, which became known as the " Backpacker Murders"; suspected in similar disappearances in Newcastle.
* Martha Needle: known as "The Black Widow of Richmond," poisoner of four family members and her boyfriend's brother; executed in 1894.
* Alexander Pearce: Irish convict who escaped with seven other convicts from imprisonment in Van Diemen's Land; five of them were killed and cannibalised, leaving Pearce the only one left; hanged 1824.
*Derek Percy: murdered a child in 1969, but also linked to the deaths of eight other children in the 60s; died in prison from lung cancer.
*Martha Rendell: killed three stepchildren with hydrochloric acid in 1907–08; last woman to be hanged in Western Australia.
* Lindsey Robert Rose: New South Wales serial and contract killer who murdered five people between 1984 and 1994.
* 'Snowy' Rowles: committed the " Murchison Murders"; stockman who murdered three people using a method from a then-unpublished book of author Arthur Upfield, and was caught after forgetting to complete one of the steps after the third murder. Executed in 1932.
* Albert Schmidt: known as "The Wagga Murderer"; German immigrant who murdered at least three travelling companions from 1888 to 1890; executed for one murder in 1890.
* Arnold Sodeman: known as "The School-girl Strangler"; killed four children in Melbourne in the 1930s. Executed in 1936.
* John Whelan: Tasmanian penal colony escapee responsible for the murders of five people; executed in 1855.
* Christopher Worrell and James Miller: known as "The Truro Murderers"; were convicted of killing seven people in 1976–1977.

Austria

* Elfriede Blauensteiner: known as "The Black Widow"; poisoner of three individuals; died in prison in 2003.
*Max Gufler: poisoned and drowned women; convicted of four murders and two attempted murders, but believed to have committed 18; died 1966.
*Leopoldine Kasparek: known as "The Strangler of Vienna"; Austrian who strangled 14 wealthy, elderly women in Austria, killing 4; died in prison 1921.
* Dariusz Kotwica: known as "The Euro Ripper"; Polish vagrant who murdered at least three pensioners in Austria and Sweden in 2015; suspected of more murders in the Netherlands, Czech Republic and the United Kingdom; sentenced to involuntary commitment.
*Lainz Angels of Death: four nurses at the Lainz General Hospital in Vienna who admitted to murdering 49 patients between 1983 and 1989.
*Martha Marek: poisoned three family members and a lodger in her house with thallium between 1932 and 1937; executed 1938.
*Wolfgang Ott: sex offender and suspected serial killer who kidnapped several women in 1995, killing two of them; sentenced to life imprisonment in 1996.
*Harald Sassak employee who between 1971 and 1972 killed six people for the purpose of robbery; died from an undisclosed illness in 2013.
* Hugo Schenk: known as "The Viennese Housemaids Killer"; swindler who killed four maids in 1883 with his accomplice Karl Schlossarek; suspected of more murders; executed 1884.
* Franz Schmidt: killed a young girl in Innsbruck in 1957, later released and committed a double murder in Redlham in 1984; suspected of a child murder in 1982; sentenced to life, released in 2013.
* Franz and Rosalie Schneider: couple who robbed and murdered at least three, possibly six, maidservants in Lower Austria from June to July 1891; Franz was executed in 1892, while Rosalie's sentence was reduced to life imprisonment.
*Jack Unterweger: author and sexual sadist; convicted of ten murders; believed to have killed 12 women; committed suicide in prison in 1994.
* Guido Zingerle: known as "The Monster of Tyrol"; Italian who brutally raped women in Italy and Austria between 1946 and 1950, killing at least two by burying them under a pile of stones; died in prison in 1962.

The Bahamas

* Cordell Farrington: killed four children and his boyfriend from 2002 to 2003; sentenced to death and later commuted to life imprisonment.
*Michaiah Shobek: known as "The Angels of Lucifer Killer"; American emigrant who murdered three fellow US tourists from 1973 to 1974; executed in 1976.

Bangladesh

*Roshu Kha: enraged over rejection by his lover, Roshu killed at least 11 garment workers in Chandpur District. He pretended to love them, later killing them brutally. Sentenced to death.
*Ershad Sikder: career criminal and corrupt politician responsible for the torture-murders of numerous people in the 1990s; convicted on seven counts of murder and executed in 2004.

Belarus

*Ivan Kulesh: drunkard who killed three saleswomen between 2013 and 2014 in the Grodno Region; executed in 2016.
*Yuri Kurilsky: known as "The Monster with the Black GAZ Volga, Volga"; raped and killed two women and one teenager around the Vitebsk Region from 2004 to 2005; executed in 2007.
*Eduard Lykov: Russian immigrant who killed five people in drunken quarrels from 2002 to 2011; executed in 2014.
*Alexey Mikhalenya: murdered three elderly people as a teenager in 2002; served prison term, released and committed a double murder in 2016; executed in 2018.
*Gennady Mikhasevich: Voluntary People's Druzhina, police volunteer who investigated his own mission-oriented murders of 36 women between 1971 and 1985; executed in 1987.
*Igor Mirenkov: known as "The Svietlahorsk Nightmare"; child killer who murdered six boys from 1990 to 1993; executed in 1996.
*The Polotsk Four, Sergey Pugachev and Alexander Burdenko: leaders of "The Polotsk Four"; criminals responsible for killing two girls and two car enthusiasts from 2001 to 2002, as well as numerous robberies with two other accomplices; Pugachev was executed in 2005 and Burdenko was sentenced to life imprisonment.
*Alexander Sergeychik: killed six people from 2000 to 2006 in the Shchuchyn District, Shchuchyn and Grodno Districts; confessed to 12 murders; executed in 2007.

Belgian Congo

* William Unek: embarked on two mass murder sprees three years apart; killed by the police in 1957.

Belgium

*Marie Alexandrine Becker: poisoned at least 11 people with Digitalis; sentenced to life imprisonment; died 1938.
*Michel Bellen: known as "Wurger van Linkeroever" ("The Strangler of the Left Bank"); raped and killed four women in Leuven between 1964 and 1982; sentenced to death but it was converted to life imprisonment; died in prison from heart failure in 2020.
*Jan Caubergh: strangled his pregnant neighbour, his girlfriend and their child in 1979; sentenced to death but it was converted to life imprisonment; was the longest-serving prisoner in the country until his death in 2013.
*Étienne Dedroog: known as "The Lodgers' Killer"; killed a Bed and breakfast, B&B owner in France and a couple in Belgium from October to November 2011; also suspected of a murder in Spain; sentenced to life imprisonment.
*Marc Dutroux: convicted of having kidnapped, tortured and sexually abused six girls ranging in age from 8 to 19, during 1995 and 1996. Four of his victims were murdered; the final two were rescued. Sentenced to life imprisonment.
*Staf Van Eyken: known as "The Vampire of Muizen"; raped and strangled three women from 1971 to 1972 in Muizen and Bonheiden; sentenced to death, commuted to life imprisonment.
*Renaud Hardy: known as "The Parkinson's Murderer"; murdered between two and three women in the Flemish Community from 2009 to 2015; sentenced to life imprisonment.
*Ronald Janssen: killed a woman in 2007 and later his neighbour and her boyfriend in 2010 in Flemish Brabant; admitted to five rapes committed in 1993, but is suspected of 20; sentenced to life imprisonment in 2011.
*Marie-Thérèse Joniaux: poisoned three of her family members between 1894 and 1895; sentenced to death in 1895, but was commuted to life imprisonment; died in Antwerp in 1923.
*Junior Kabunda: known as "The Monster of Brussels"; murdered pianist Benjamin Rawitz-Castel in 2006 during a robbery, later killing his daughter and her grandmother in 2009; sentenced to life imprisonment.
*András Pándy: known as "Vader Blauwbaard" (Father Bluebeard); Hungarian immigrant convicted of the murder and rape of his two wives and four children in Brussels between 1986 and 1990 with the aid of his daughter, Ágnes Pándy; died in prison in 2013.
*Nestor Pirotte: known as "The Crazy Killer"; considered one of the worst Belgian criminals, responsible for the murders of up to seven people from 1954 to 1981, including his great-aunt; died from a heart attack in 2000.

Bermuda

*Wendell Lightbourne: known as "The Moon Mad Murderer"; killed three women and injured two others around the Warwick Parish area from 1958 to 1959; sentenced to death, but was reprieved in 1960.

Bolivia

*Ramiro Artieda: killed his brother in the early 1920s for monetary purposes; emigrated to the United States, but later returned and killed seven women until 1938; was arrested in 1939, confessed and was executed by firing squad in 1939.
*Richard Choque: serial rapist who raped upwards of 77 women and killed at least two from 2019 to 2022, after being released from prison for a prior murder conviction; suspeted in other crimes; sentenced to 30 years imprisonment.

Bosnia and Herzegovina

*Edin Gačić: shot and killed four people between 1998 and 2019, among them his mother and a police officer; killed by security forces in 2019.

Brazil

* José Augusto do Amaral: known as "Preto Amaral"; first documented Brazilian serial killer; suspected of murdering and then raping the corpses of three young men in São Paulo in 1926; died from tuberculosis while imprisoned before he could be put on trial.
* Marcelo Costa de Andrade: known as "The Vampire of Niterói"; raped and killed fourteen children.
* Pedro Costa de Oliveira: known as "Pedro the Clown"; sexual sadist who murdered three women who resisted his advances from 1922 to 1952; sentenced to 130 years imprisonment and presumably died in prison.
* Marcelo de Jesus Silva: known as "Chucky"; Dwarfism, dwarf man convicted of twenty counts of murder, robbery, drug trafficking and death squad.
* Douglas Baptista: known as "The São Vicente Maniac"; bound and drowned at least eight children in Baixada Santista from 1992 to 2003; sentenced to 60 years imprisonment.
* Luiz Baú: known as "The Monster of Erechim"; schizophrenic who murdered and mutilated a boy in 1975; imprisoned, but escaped in 1980, committing four more murders in four days; recaptured, but escaped yet again, with his ultimate fate unknown.
* José Paz Bezerra: known as "The Morumbi Monster"; sexually violated, tortured and murdered more than 20 women in São Paulo and Pará during the 1960s and 1970s; sentenced to 30 years imprisonment and released in 2001.
* Fortunato Botton Neto: known as "The Trianon Maniac"; male prostitute who stabbed and strangled between three and thirteen clients in São Paulo from 1986 to 1989; sentenced to 8 years in prison, dying behind bars in 1997.
* Febrônio Índio do Brasil: delusional religious maniac and habitual criminal who murdered at least six people from 1925 to 1927, mostly young boys and teens; acquitted by reason of insanity and sent to a mental institution, in which he died in 1984 from chronic obstructive pulmonary disease.
* Abraão José Bueno: Rio de Janeiro nurse who killed four child patients; sentenced to 110 years imprisonment in 2005.
* Dyonathan Celestrino: known as "The Cross Maniac"; murdered three people as a teenager from July to October 2008, then posed their bodies in a symbolic manner; indefinitely detained.
* Francisco das Chagas Rodrigues de Brito: pedophile who sexually abused, murdered and mutilated between 30 and 42 young boys from 1989 to 2003 in Maranhão and Pará; sentenced to 217 years imprisonment.
* Pedro Rosa da Conceição: Brazilian mass murderer who killed three people and wounded thirteen others on 22 April 1904. Killed his cellmate and a guard in 1911, and is said to have murdered a family of 12 people in an unspecified date and year. Died in 1919.
* Francisco de Marco: known as "The Monster of Rio Claro"; raped and murdered seven children in São Paulo and Minas Gerais from 1953 to 1984, emasculating his male victims; sentenced to 70 years imprisonment for final murder, fate after conviction is unknown.
* Pedro Rodrigues Filho: known as "Pedrinho Matador"; convicted and sentenced to 128 years imprisonment for 70 murders; however, the maximum one can serve in Brazil is 30 years; claimed to have killed more than 100 victims, including 40 prison inmates.
* Roneys Fon Firmino Gomes: known as "The Tower Maniac"; murdered at least six prostitutes in Maringá between 2005 and 2015, disposing of their bodies under electric towers; sentenced to 21 years imprisonment.
* Paulo José Lisboa: known as "The Chain Maniac"; killed five prostitutes in the 1980s; fled prison in 1998 and killed six more in Espírito Santo until his arrest in 2008; imprisoned but paroled in 2017, living as a free man until his death in 2022.
* Francisco de Assis Pereira: known as "O Maníaco do Parque" (The Park Maniac); arrested for the torture, rape and death of 11 women and for assaulting nine in a park in São Paulo during the 1990s.
*Garanhuns cannibals: trio of cannibals who killed a teenager and two women from 2008 to 2012 in Pernambuco, whose bodies they later dismembered and cannibalized; head member was acquitted of murder as a teenager; all sentenced to long prison sentences.
* Tiago Henrique Gomes da Rocha: security guard who has claimed to have killed 39 people in the state of Goiás.
*Edson Izidoro Guimarães: nurse who killed four patients in the Rio de Janeiro neighborhood of Méier; suspected of 131 deaths in total.
* Paulo Sérgio Guimarães da Silva: known as "The Cassino Maniac"; fisherman who attacked couples in Rio Grande do Sul between 1998 and 1999, killing seven; sentenced to 184 years imprisonment.
* Adriano Vicente da Silva: known as "The Monster of Passo Fundo"; killed a taxi driver during a robbery in 2001; escaped prison and fled to Rio Grande do Sul, where he raped and killed from nine to twelve young boys until 2004; sentenced to 264 years imprisonment.
* José Vicente Matias: former artisan who raped, murdered and dismembered six women between 1999 and 2005, cannibalizing one of them; sentenced to 23 years imprisonment.
* Benedito Moreira de Carvalho: known as "The Monster of Guaianases"; abducted, raped and strangled young girls and women around Greater São Paulo from January to August 1952, killing seven; acquitted by reason of insanity and confined to a mental hospital until his death in 1976.
* Florisvaldo de Oliveira: known as "Cabo Bruno"; former police officer accused of more than 50 murders on the outskirts of São Paulo in 1982; murdered by unknown assailants in 2012.
* Sebastião Antônio de Oliveira: known as "The Monster of Bragança Paulista, Bragança"; mentally-ill man who murdered five children and raped at least eight between 1953 and 1975; committed suicide before trial in 1976.
* Ademir Oliveira Rosário: known as "The Cantareira Maniac"; killed a man in 1991 and was detained at a mental institution, but continued to sexually assault teenage boys from March to September 2007 while on probation, killing two brothers in the process; sentenced to 57 years imprisonment.
* Laerte Patrocínio Orpinelli: known as "The Bicycle Maniac"; vagrant who raped, tortured and killed children around São Paulo from 1990 to 1999; suspected in hundreds of murders; sentenced to 100 years, died in prison.
* Diogo Figueira da Rocha: career criminal responsible for at least 50 murders between 1894 and 1897 around São Paulo; supposedly killed in a shootout with the police in 1897.
* Rua do Arvoredo murders, José Ramos: known as "The Butcher of Rua de Arvoredo"; together with his wife and another accomplice (whom he later killed), lured at least eight men into his Porto Alegre house between 1863 and 1864, killing and dismembering them; allegedly made the remains into sausages which he sold at his shop; died in hospital in 1893.
* Leandro Basílio Rodrigues: known as "The Guarulhos Maniac"; strangled at least five women in Guarulhos from 2007 to 2008, raping their corpses afterwards; sentenced to 111 years imprisonment.
* Orlando Sabino: known as "The Monster of Capinópolis"; suspected of murdering 12 people in several municipalities around Minas Gerais and Goiás; died from a heart attack in 2013.
* Anísio Ferreira de Sousa: gynecologist from Altamira, Pará, Altamira who was convicted of the murder of three children but linked to the disappearance of a total of 19.
* Marcos Antunes Trigueiro: known as "The Industrial Maniac"; former taxi driver who killed five women from 2009 to 2010 in Contagem and Belo Horizonte.

Bulgaria

*Zhivko Dimitrov: police major who killed six people in Dobrich Province from 1975 to 1981 to steal their money; executed 1981.
*Sokrat Kirshveng: known as "The Killer with the Adze"; murdered two of his lovers in 1919, for which he was sentenced to death; commuted to 17 years imprisonment, and upon release in 1937, murdered his aunt and uncle-in-law; executed in 1937.
*Lenko Latkov: murdered three elderly women in Haskovo Province from 1999 to 2000 and raped two children; suspected in another three killings in Plovdiv Province; murdered by his cellmate in 2003.
*Mihail Leshtarski: known as "The Killer from the Cave"; habitual thief who lived in the mountains, suspected of murdering at least five elderly pensioners from 2009 to 2011; convicted of one murder and sentenced to life imprisonment.
*Ludwig Tolumov and Ivan Serafimov: known as "The Sour and The Sweet"; criminal duo jointly responsible for three murders from May to July 2000; Serafimov, solely responsible for a 1996 murder, was later murdered by Tolumov, who was himself arrested and sentenced to life imprisonment.

Canada

*Gerald Thomas Archer: known as "The London Chambermaid Slayer"; killed three female hotel employees in his hometown of London, Ontario between 1969 and 1971; died of a heart attack in 1995.
*Paul Bernardo: known as "The Scarborough, Toronto, Scarborough Rapist"; a Toronto serial rapist who killed three teenage girls (including his wife's sister) with the aid of his wife Karla Homolka.
*Wayne Boden: known as "The Vampire Rapist"; killed four women between 1968 and 1971; died in prison 2006.
*Camille Cléroux: murdered two wives and a neighbour in Ottawa between 1990 and 2010; sentenced to life imprisonment; died in prison 2021.
*John Martin Crawford: convicted in 1996 for the murders of three women in Saskatoon; died in prison 2020.
*William Dean Christensen: known as "The American Jack the Ripper"; murdered at least four people in Canada and the United States between 1983 and 1984; died while imprisoned in 1990.
*Léopold Dion: known as "The Monster of Pont-Rouge"; raped and killed four young boys in 1963. Sentenced to death, but reprieved. Murdered in 1972 by a fellow prison inmate.
*William Patrick Fyfe: convicted of killing five women in Montreal between 1979 and 1999; suspect in several other murders.
*Russell Maurice Johnson: known as "The Bedroom Strangler"; convicted of raping and murdering three women in the 1970s; total number of victims later found to be higher.
*Gilbert Paul Jordan: known as "The Boozing Barber", killed between eight and ten women by alcohol poisoning in Vancouver; died in 2006.
*Simmi Kahlon: Indian immigrant who murdered her three newborn children in Calgary between 2005 and 2009; died from complications in childbirth before crimes were discovered.
*Joseph LaPage: known as "The French Monster"; murdered four women in Canada and the US from 1867 to 1875; executed in New Hampshire in 1878.
*Cody Legebokoff: one of Canada's youngest serial killers, convicted of murdering three women and a teenage girl around Prince George, British Columbia, Prince George, British Columbia between 2009 and 2010.
*Allan Legere: known as "The Monster of the Miramichi"; killer of five individuals.
*2010–2017 Toronto serial homicides, Bruce McArthur: Toronto man who killed and dismembered eight men between 2010 and 2017; sentenced to life in prison in 2019.
*Michael Wayne McGray: killed seven people, including a woman and child and a cellmate, claims to have killed eleven others.
*Dellen Millard and Mark Smich, Dellen Millard: convicted of murdering three people, including his father; two were killed with help from accomplice Mark Smich.
*Clifford Olson: murdered eleven children in British Columbia in the early 1980s; died in prison 2011.
*Robert Pickton: Port Coquitlam, British Columbia man charged with the first degree murders of 26 women; allegedly confessed to 49 murders; convicted 9 December 2007 of six charges; reduced to second degree murder.
*Yves Trudeau (biker), Yves Trudeau: known as "The Mad Bumper"; former member of an outlaw motorcycle gang took part in 43 murders between 1973 and 1985; died of bone-marrow cancer in 2008.
*Elizabeth Wettlaufer: registered nurse who murdered eight senior citizens in Ontario with fatal injections of insulin, and gave non-fatal injections to six others, between 2007 and 2016.
*Russell Williams (criminal), Russell Williams: former Colonel of the Canadian Forces; killed two women and is suspected of murdering a third; sentenced to life imprisonment.
*Peter Woodcock: murdered three children in 1956 and 1957 in Toronto and a fellow psychiatric institute patient in 1991; died while incarcerated in 2010.

Chile

*Émile Dubois (murderer), Émile Dubois: French-born murderer and folk hero who's revered as "The Chilean Robin Hood" for killing alleged usurers; executed in 1907.
*Catalina de los Ríos y Lisperguer: known as "La Quintrala"; 17th century landowner tried for over 40 murders; died 1665.
*Erasmo Moena: Man sentenced to 60 years in prison for a double homicide; Acquitted in a third case
*Julio Pérez Silva: known as "The Psychopath from Alto Hospicio", sentenced to e imprisonment for murdering 14 women from 1998 to 2001.
*Viña del Mar psychopaths, Jorge Sagredo and Carlos Topp: known as "The Viña del Mar Psychopaths"; committed ten murders and four rapes from 1980 to 1981 in Viña del Mar; executed in 1985; they were the last people executed in Chile.

China

*Bai Baoshan: robber who attacked several police stations in three provinces; killed 15 people; executed in 1998.
*Chen Yongfeng: killed and dismembered 10 male scrap merchants in Wenzhou between February and May 2003; executed in 2004.
*Cheng Peng (serial killer), Cheng Peng: dog breeder who shot six people in Yinchuan from 1988 to 1995 with the help of accomplices, feeding some of the victims' remains to his dogs; executed in 1995.
*Cheng Ruilong: fugitive robber who killed between 11 and 13 people in six provinces between 1996 and 2005, including police officers; executed in 2010.
*Dong Wenyu: burglar-rapist who killed six people during break-ins between March and May 2006; also raped the female victims' corpses; executed in 2007.
*Duan Guocheng: known as "The Red Dress Killer"; murdered 13 women in Wuhan between 1999 and 2001; sentenced to life in prison.
*Fa Ziying and Lao Rongzhi: killed 7 people between 1996 and 1999; Fa was executed in 1999, while Lao was sentenced to death in 2021, after evading arrest until 2019.
*Hu Daoping: killed seven people under the alias Wu Jun during robberies between 2003 and 2005; executed in 2006.
*Hua Ruizhuo: killed 14 prostitutes in Beijing between 1998 and 2001 out of hatred for them, after learning that a former girlfriend was one; executed in 2002.
*Jia Jianhu: killed 12 prostitutes in six provinces from 1998 to 2003, to "take revenge" on society; executed in 2004.
*Li Guangjun: raped, robbed and killed six women along China National Highway 310, National Highway 310 between September and November 2006, after going on the run for murdering his wife's sister in February; sentenced to death.
*Li Pingping: committed a triple murder in 1995; after that, between 2002 and 2003, stabbed and mutilated four prostitutes in Beijing while working as a taxi driver; executed in 2004.
*Li Shikang: killed six people and wounded 17 others with letter bombs sent to medical staff for whom he blamed for not curing his sexually transmitted disease.
*Li Yijiang: killed seven people in the early 2000s; exeuted in 2004.
*Li Zhanguo: known as "The Henan Gay Murderer"; raped and strangled 11 mentally-ill young men in Henan from 1991 to 1995, mutilating and beheading their bodies post-mortem; executed after 1995.
*Liu Mingwu: known as "The Beggar Killer"; killed a man in 1992 and fled from his native village, killing at least 22 beggars across China from 2001 to 2002 because they were "dirty"; executed 2002.
*Liu Pengli: 2nd century BC Han prince; one of the earliest serial killers attested by historical sources.
*Long Zhimin: together with his wife Yan Shuxia, lured in and subsequently murdered 48 people in his home for various reasons between 1983 and 1985; both executed in 1985.
*Luo Shubiao: known as "The Rainy Night Butcher"; raped and killed a woman in Guangzhou in 1977; after serving a prison sentence for theft, committed 18 further Copycat crime, copycat murders from 1990 to 1994, imitating Lam Kor-wan; executed in 1995.
*Gao Chengyong: known as "The Chinese Jack the Ripper", killed 11 women between 1988 and 2002 in Baiyin and Inner Mongolia; executed in 2019.
*Gong Runbo: found guilty of the murders of six children and teenagers aged between 9 and 16 from 2005 to 2006 in Jiamusi; executed in 2007.
*Guo Longhai: raped and murdered 14 young girls and women in Guizhou and Guangxi from 1995 to 2001 as "revenge" for a previous rape conviction; executed in 2002.
*Huang Yong (murderer), Huang Yong: between September 2001 and 2003 killed at least 17 teenage boys; executed in 2003.
*Qian Yongchang: killed 15 people across Yunnan, Guangxi and Guizhou from 1959 to 1995, to take revenge on society; executed in 1995.
*Shen Changyin and Shen Changping: found guilty of the murders of 11 prostitutes between 1999 and 2004 in Lanzhou and Taiyuan; sentenced to death in 2005; executed in 2006.
*Song Jinghua: along with accomplice Yan Jinguang; robbed, murdered and dismembered nine women in Beijing between 2005 and 2007, in apparent revenge for his brothers death; executed in 2011.
*Wang Qiang (serial killer), Wang Qiang: 45 murder victims and ten rapes; executed on 17 November 2005.
*Wang Wanming: escaped convict who raped 52 women around Shaanxi from 1992 to 1998, killing 20 in the process; executed 1999.
*Wang Zongfang and Wang Zongwei: known as "Er Wang"; murderers who killed soldiers using guns and grenades in Hunan, Hubei and Jiangsu; killed by armed forces in 1983.
*Xu Guangcai: raped and stabbed to death six women in Beijing from 1987 to 1990, disemboweling them post-mortem; executed 1991.
*Yang Xinhai: known as "The Monster Killer"; confessed to killing 65 people between 2000 and 2003; executed in 2004.
*Zhang Jun (serial killer), Zhang Jun: robber who killed 28 people from 1993 to 2000 throughout China with accomplices; captured and executed in 2001.
*Zhang Yongming: killed 11 males between March 2008 and April 2012; executed in 2013.
*Zhao Zhihong: known as "The Smiling Killer"; raped and killed six women in Inner Mongolia between 1996 and 2005; confessed to a murder for which an innocent man was executed; executed 2019.
*Zhou Kehua: former soldier who targeted ATM users; killed ten people in Jiangsu and Chongqing and evaded the law for eight years, before being killed in 2012 in a shootout with police after a year-long manhunt.
*Zhou Wen (serial killer), Zhou Wen: known as "The Taxi Demon"; taxi driver who murdered six female passengers in the summer of 2003, dumping their bodies along open ground roadside holes within the city of Anshan; arrested November 2003.
*Zhou Youping: karaoke singer who strangled men during sex games in Changsha from October to November 2009; executed in 2014.

Colombia

*Andrés Leonardo Achipiz: known as "The Fish"; psychopathic hired killer who killed between 30 and 35 people in Bogotá from 2009 to 2013.
*José William Aranguren: bandit who murdered approximately 115 people in three municipalities from 1956 to 1964; killed by commandos on a farm in 1964, along with his three accomplices.
*Daniel Camargo Barbosa: known as "The Sadist of El Charquito", who is believed to have raped and killed over 150 young girls in Colombia and Ecuador during the 1970s and 1980s.
*Jairo Alexander Beltrán Castañeda: known as "El Monstruo de Llana" (The Monster of the Plains); kidnapper who murdered a woman in Meta in 2015; suspected of at least three other murders, after bodies were found in mass graves; currently incarcerated.
*Manuel Octavio Bermúdez: known as "El Monstruo de los Cañaduzales" (The Monster of the Cane Fields); confessed to raping and killing at least 21 children in remote areas of Colombia.
*Black Widow Gang: group of predominantly women who lured and then killed at least three men for life insurance in Antioquia between 2008 and 2011; imprisoned.
*Esneda Ruiz Cataño: known as "The Predator"; murdered three husbands for life insurance between 2001 and 2010.
*Tomás Maldonado Cera: known as "The Satanist"; murdered between seven and ten people in satanic rituals in Barranquilla.
*Cristopher Chávez Cuellar: known as "The Soulless"; killed six people, including four underage brothers, in 2015; suspected of at least 15 murders dating back to the 1990s; sentenced to 40 years imprisonment.
*Luis Garavito: known as "The Beast"; admitted to murder and rape of 140 young boys in the 1990s.
*Rubén Villalobos Herrera: known as "The Black Canes Monster"; necrophile who raped and murdered nine women from 2012 to 2017; currently awaiting trial.
*María Concepción Ladino: known as "The Killer Witch"; defrauded and murdered six people from 1994 to 1998; sentenced to 40 years imprisonment.
*Pedro López (serial killer), Pedro López: known as "The Monster of the Andes"; claimed to have raped and killed more than 300 girls across South America between 1969 and 1980.
*Jaime Iván Martínez: known as "The Guarne Killer"; killed at least four people in Guarne from 2005 to 2016, including his wife and two children; sentenced to 42 years imprisonment.
*Nepomuceno Matallana: fraudster convicted of a 1947 murder of a merchant, but suspected of other murders; died 1960 from bronchitis combined with heart failure.
*Luis Alberto Malagón Suárez: known as "The Sadist of Rincón"; kidnapped, raped, and killed five girls from 1995 to 1997 in Suba, Bogotá, Suba; imprisoned in 2012 for the 2001 murder of his wife.
*Élver James Melchor Bañol: known as "The Predator of Picaleña (Ibagué), Picaleña"; serial child rapist who murdered a girl in Tolima in 2019, after being released on parole for three similar murders and sex crimes; sentenced to 60 years imprisonment.
*John Jairo Moreno Torres: known as "Johnny the Leper"; gang leader who brutally murdered at least four people between 1997 and 1998 in Bogotá; murdered in prison by several inmates in 1998.
*Harlis Alexis Murillo Moreno: sex offender who killed two women in Cali and Bucaramanga in 2017; suspected of two more murders in Bogotá; sentenced to 36 years imprisonment.
*Yadira Narváez: known as "The Queen of Scopolamine"; poisoned between five and six men with Carbofuran in 2011, but confessed to other murders; sentenced to 100 years imprisonment.
*Hernando Arturo Prada: known as "The Angel of Death"; criminal who killed at least 10 people in Bucaramanga during the 1990s; killed by a paramilitary group in 2000 after hijacking a plane.
*Diego Fernando Ramírez: known as "The Butcher of Buga"; cattle rancher who murdered two men in January 2007 in Buga, Valle del Cauca, Buga; suspected in other similar disappearances from 2006.
*Luis Gregorio Ramírez Maestre: killed 30 motorists in various municipalities; captured in 2012; expected to be released in 2032.
*Fredy Armando Valencia: known as "The Monster of Monserrate"; raped and strangled at least nine drug-addicted women in the Eastern Hills, Bogotá, Eastern Hills region between 2012 and 2014; confessed to more murders; sentenced to 36 years imprisonment.

Costa Rica

*Adrián Arroyo Gutiérrez: known as "The Southern Psychopath"; raped and strangled between six and eleven drug-addicted prostitutes in San José, Costa Rica, San José; sentenced to 110 years imprisonment.

Croatia

*Milka Pavlović: milkmaid who poisoned her husband and other peasants with arsenic in Stari Pavljani between March and July 1934; executed in 1935.
*Vinko Pintarić: murdered five people, including his wife, between 1973 and 1990; escaped from custody three times, killed in a 1991 shootout with the police.

Cyprus

*Mitsero murders, Nikos Metaxas: Cypriot National Guard, Cypriot Army officer who killed five women and two children between September 2016 and August 2018 in the so-called Mitsero murders; sentenced to life imprisonment.

Czech Republic

*Oto Biederman: member of "The Kolínský Gang" who murdered five people from 1993 to 1995, including a former accomplice; sentenced to life imprisonment.
*Jan Philopon Dambrovský: Roman Catholic priest who poisoned four archbishops in the 16th-century; arrested and later executed.
*Jaroslava Fabiánová: murdered four men between 1981 and 2003 for financial reasons; sentenced to life imprisonment.
*Ladislav Hojer: sadist who raped and strangled at least five women from 1978 to 1981 around Czechoslovakia; executed in 1986.
*Kateřina of Komárov: 16th-century noblewoman who tortured and maimed between 14 and 30 serfs in Pičín and Příbram; exiled to Prague Castle, where she died in March 1534.
*Václav Mrázek: convicted of the murders of seven women around Chomutov; executed in 1957.
*Martin Lecián: responsible for killing three policemen and a prison officer; executed in 1927.
*Orlík killers: five-man gang who killed people for monetary gain from 1991 to 1993, then stuffed their bodies in barrels and dumped them in dams; sentenced to various terms of imprisonment.
*Hubert Pilčík: killed at least five people whom he helped cross the border from Czechoslovakia into West Germany; committed suicide in prison in 1951.
*Martin Roháč: former soldier who robbed and killed 59 people between 1568 and 1571 with his accomplices; all were executed in 1571.
*Ivan Roubal: occultist who murdered five people from 1991 to 1994; sentenced to life imprisonment and died in 2015.
*Svatoslav Štěpánek: known as "The Roudnice Monster"; killed one child and at least two women in Roudnice nad Labem from 1926 to 1936, mutilating the female victims' bodies; executed in 1938.
*Jaroslav and Dana Stodolovi: couple who robbed and killed eight pensioners from 2001 to 2002; both sentenced to life imprisonment.
*Jiří Straka: known as "The Spartakiad Killer"; teenager who raped and robbed 11 women in Prague between February and May 1985, killing three; sentenced to 10 years imprisonment and psychiatric treatment, released in 2004.
*Petr Zelenka (serial killer), Petr Zelenka: male nurse convicted of murdering seven patients in Havlíčkův Brod by lethal injections to "test" doctors; sentenced to life imprisonment.

Denmark

*Ane Cathrine Andersdatter: maid who killed three of her children between 1853 and 1861, drowning them in ditches or wells; executed in 1861, the last woman to be executed in the country.
*Christina Aistrup Hansen: nurse who killed three patients at the Nykøbing Falster Hospital; charges changed from three murders to four attempted manslaughter charges; initially sentenced to life imprisonment, changed to 12 years in prison.
*Peter Lundin: killed his mother in the United States in 1991, then killed his mistress and her two children in Denmark nine years later; sentenced to life imprisonment.
*Dagmar Overbye: childcare provider who killed between nine and twenty-five children in her care in Copenhagen; sentenced to death in 1921 then Clemency#Related concepts, reprieved; died in prison on 6 May 1929.
*James Schmidt (serial killer), James Schmidt: South Sudanese immigrant who killed three elderly people in Østerbro from February to March 2019 to steal their credit cards; sentenced to life imprisonment.
*Sanjay Sharma (serial killer), Sanjay Sharma: drowned his first wife in a bathtub in Austria in 1997; indicted for the murder, but fled to Denmark, where he killed a second wife and her daughter in 1999; sentenced to life imprisonment for the latter murders.

Ecuador

*Gilberto Chamba: known as "The Monster of Machala"; murdered eight people in Ecuador and one in Spain; sentenced to 45 years in prison in Spain on 5 November 2006.
*Jairo Humberto Giraldo: known as "The Gay Strangler"; Colombian male prostitute who strangled and robbed other gay men in Quito between April and September 2002; sentenced to 25 years imprisonment.
*Juan Fernando Hermosa: known as "El Niño del Terror"; minor responsible for killing twenty-three people from 1991 to 1992 in Quito, mostly taxi drivers and homosexuals; sentenced to four years imprisonment and then released, later murdered on his 20th birthday by unknown assailants.

Egypt

*Ramadan Abdel Rehim Mansour: known as "Al-Tourbini"; gang leader who raped and murdered homeless children across Egypt by throwing them off trains in the 2000s, sometimes burying them alive; executed in 2010.
*Saad Iskandar Abdel Masih: known as "The Butcher of Karmouz"; murdered a mistress for her money in his hometown of Asyut in 1948, before moving to Alexandria and committing at least two more murders until 1951; executed in 1953.
*Raya and Sakina: Egypt's most famous serial killers and the first women to be executed by the modern Egyptian state; executed along with their husbands in 1921.

Estonia

*Johannes-Andreas Hanni: murderer, rapist, and cannibal who killed three people in 1982; committed suicide in police custody.
*Anatoli Neželski: murdered his ex-wife's boyfriend and two other people in robberies between 1994 and 1996 in Tallinn; sentenced to 15 years imprisonment, and released in 2013.
*Bomb man of Pae street, Märt Ringmaa: known as "The Bomb Man of Pae Street"; killed seven people over the course of ten years in Tallinn using Improvised explosive device, IEDs that exploded in public places.
*Aleksandr Rubel: Ukrainian who was convicted the murderers of six people in Tallinn as a minor in the late 1990s; released from prison in 2006 and subsequently returned to Ukraine.
*Juri Sulimov: Ukrainian immigrant who murdered two prisoners in 1983 and 1986, and an acquaintance in 1994 after his release; sentenced to death, commuted to life imprisonment.
*Yuri Ustimenko and Dmitry Medvedev: Russian duo who committed robberies, killing five people; Medvedev was killed by police in Latvia, and Ustimenko was captured in Poland, extradited to Estonia and sentenced to life imprisonment.

Eswatini

*David Thabo Simelane: raped and killed 28 women, suspected of 45; sentenced to death.

Finland

*Juhani Aataminpoika: known as "Kerpeikkari"; murdered twelve people in the span of two months in 1849, including his parents; sentenced to death, commuted to life imprisonment; died in 1854.
*Esa Åkerlund: murdered three men at a McDonald's in Porvoo in 2010, after being released for the 1995 murder of his wife; suspected, but acquitted, of a 1993 murder; sentenced to 15 years imprisonment.
*Matti Haapoja: convicted murderer of three, but admitted to the killing of 18; evidence suggests having killed as many as 22–25 people between 1867 and 1894 in Finland and Siberia; sentenced to life imprisonment, but committed suicide by hanging in a prison cell.
*Ismo Junni: killed his wife in 1980, then killed four people in arson attacks at the Kivinokka allotment garden in Helsinki from 1986 to 1989; committed suicide while in custody.
*Ensio Koivunen: known as "Häkä-Enska"; abducted and murdered three female hitchhikers between July and August 1971; sentenced for 25 years to prison, but released in the 1980s; died in 2003.
*Jukka Lindholm: also known as ''Michael Penttilä''; murdered three women from 1985 to 1993 in and around Oulu and one in Helsinki in 2018; sentenced to life imprisonment, and is currently appealing the decision; has spent 25 years in prison between his crimes. He is the only Finn that fits FBI's description of a serial killer.
*Tommi Nakari: murdered his two common-law wives and his mother in drunken rampages between 1992 and 2008, claiming that he couldn't remember the killings afterwards; sentenced to 14.5 years imprisonment.
*Aino Nykopp-Koski: female nurse convicted of five murders and five attempted murders between 2004 and 2009. Sentenced to life in prison.
*Oulu child murders, Kaisa Vornanen-Karaduman: purposefully neglected her five newborn children, starving them to death between 2005 and 2013; initially convicted and sentenced to life imprisonment, later reduced to 13 years imprisonment for manslaughter.

France

Germany

Ghana

*Charles Quansah: known as "The Accra Strangler"; convicted of the strangulation deaths of nine women in Accra; suspected of killing 34; sentenced to death in 2003.

Greece

*Yanis Baltass: shepherd who shot at least three foreign laborers and his ex-fiancée's brother from 1995 to 2004; sentenced to life imprisonment.
*Antonis Daglis: known as "The Athens Ripper"; convicted in 1997 of the strangulation murder and dismemberment of three women and the attempted murder of six others; committed suicide in police custody in 1997.
*Ekaterini Dimetrea: known as "The Poisoner of Mani"; poisoned four family members with parathion from May to September 1962; executed in 1965.
*Hermann Duft and Hans Wilhelm Bassenauer: West Germans who murdered six people in Greece within a short period in 1969; executed in 1969.
*Petros Koulaxidis: known as "The Vampire of Hamilos"; Russian-born bigamist who killed at least five wives in Central Macedonia from 1917 to 1930; suspected of other murders, some possibly committed in Russia; executed in 1932.
*Aristidis Pagratidis: known as "The Ogre of Seikh Sou"; allegedly attacked couples in the forested area of Seikh Sou in suburban Thessaloniki from 1958 to 1959, killing three people; executed in 1968, and since then his guilt has been questioned.
*Kyriakos Papachronis: known as "The Ogre of Drama, Greece, Drama"; murdered three women from 1981 to 1982, committing other crimes as well; sentenced to life imprisonment, released on bail in 2004.
*Giannis and Thymios Retzos: brothers responsible for numerous kidnapping and murders in Epirus (region), Epirus between 1917 and 1924; released under amnesty, then orchestrated a robbery in 1928, during which eight people died; both executed in 1930.
*Mariam Soulakiotis: known as "The Woman Rasputin"; convent abbot who lured, tortured and killed 177 wealthy women and children from 1939 to 1951; died 1954.
*Dimitris Vakrinos: killed five people and attempted seven more murders in and around Athens for minor quarrels between 1987 and 1996; hanged himself in the prison showers in 1997.

Hong Kong

*Lam Kor-wan: sexual sadist who murdered and dismembered four women in the 1980s; sentenced to death (commuted to life imprisonment as per tradition at that time).
*Lam Kwok-wai: murdered three women, apprehended in 1993 and sentenced to life imprisonment.

Hungary

*Angel Makers of Nagyrév: group of women led by Susanna Fazekas who poisoned around 300 people in the village of Nagyrév between 1914 and 1929.
*Aladár Donászi: robber who killed four people from 1991 to 1992 with his accomplice László Bene; committed suicide in prison in 2001.
*Zoltán Ember: known as "The Szentkirályszabadja Monster"; killed four pensioners and his brother from 1991 to 2004 in Szentkirályszabadja, binding his latter victims; sentenced to life imprisonment, committed suicide in 2016.
*Margit Filó: known as "The Rókus Black Widow"; poisoned and strangled between four and six people close to her from 1958 to 1968 for monetary gain; imprisoned in a mental asylum, where she later died.
*Viktória Fődi: known as "Pista Pipás"; strangled two men around Szeged in 1919 and 1922, staging the deaths as suicides; suspected of more than 30 murders; sentenced to death, commuted to life and died in prison.
*Mária Gerzsány: poisoned an ex-husband and two other men in Kistelek between 1905 and 1911, but is believed to be responsible for upwards of 50 murders; sentenced to life imprisonment, dying sometime in the 1920s.
*Pál Gyömbér: killed and robbed elderly people in the Great Hungarian Plain from February to November 1888, spending the stolen items on his wife; executed 1890.
*Piroska Jancsó-Ladányi: strangled five teenage girls in Törökszentmiklós between 1953 and 1954, molesting their corpses afterwards; executed 1954.
*Béla Kiss: murdered at least 23 women and one man, escaped justice in the confusion of World War I.
*Péter Kovács (serial killer), Péter Kovács: known as "The Martfű Monster"; truck driver who raped and killed between four and five women from 1957 and 1967, possibly responsible for more murders; executed in 1968.
*Tibor Kruchió: together with accomplice Lajos Kocsis, killed four people around Szeged from September to October 2001 for robbery purposes; sentenced to life imprisonment.
*Gusztáv Léderer: gendarme who robbed and killed a man in Budapest with his wife in 1925; suspected of committing other murders during the White Terror (Hungary), White Terror; executed in 1926.
*Gusztáv Nemeskéri: known as "The Katóka Street Killer"; killed four people between 1996 and 1999 to settle his debts, including his half-brother; sentenced to life imprisonment.
*Erzsébet Papp: known as "The Nicotine Killer"; poisoned four people close to her with nicotine between 1957 and 1958; initially sentenced to life imprisonment, resentenced to death and executed in 1962.
*Zoltán Szabó (serial killer), Zoltán Szabó: known as "The Balástya Monster"; killed and mutilated at least four women on his farm in Balástya between 1998 and 2001; committed suicide while imprisoned in 2016.

Iceland

*Axlar-Björn, Björn Pétursson: known as "Axlar-Björn"; killed at least nine travellers in the 16th century. Executed in 1596.

India

*Thug Behram: alleged to have killed over 900 people; executed in 1840.
*Seema Gavit and Renuka Shinde: sisters who kidnapped and murdered five children between 1990 and 1996.
*M. Jaishankar: known as "Psycho Shankar", involved in about 30 rapes, murders and robbery cases around Tamil Nadu.
*Chandrakant Jha: befriended and murdered seven male migrants from 1998 to 2007; sentenced to life imprisonment.
*Joshi-Abhyankar serial murders: series of ten murders committed by four art students in Pune; all were executed in 1983.
*KD Kempamma: known as "Cyanide Mallika"; poisoned six women from 1999 to 2007 with cyanide; India's first convicted female serial killer; sentenced to death, commuted to life imprisonment.
*2006 Noida serial murders, Surendra Koli: convicted of raping and murdering four children in Delhi in 2005 and 2006 with another 12 cases pending.
*Mohan Kumar (serial killer), Mohan Kumar: known as "Cyanide Mohan"; killed twenty female victims with cyanide, claiming they were contraceptive pills; sentenced to death in 2013.
*Ravinder Kumar (serial killer), Ravinder Kumar: killed the children of poor families from 2008 until his arrest in 2015.
*Motta Navas: killed pavement dwellers in their sleep during a three-month period in 2012 in Kollam.
*Santosh Pol: known as "Dr. Death"; killed six people with succinylcholine in the town of Dhom.
*Raman Raghav: known as "Psycho Raman"; Mumbai man who killed homeless people and others in their sleep.
*Umesh Reddy: confessed to 18 rapes and murders, convicted in nine cases.
*Ripper Jayanandan: known as "The Singing Serial Killer"; killed seven people during robberies.
*Satish (criminal), Satish: known as "The Bahadurgarh Baby Killer"; confessed to and convicted for ten murders; sentenced to life imprisonment.
*Auto Shankar: murdered nine teenage girls in Thiruvanmiyur, Chennai during a six-month period in 1988; executed in 1995.
*Kampatimar Shankariya: killed at least 70 people with hammer in 1977–78; executed in 1979.
*Devendra Sharma (serial killer), Devendra Sharma: doctor who murdered taxi and truck drivers across India between 2002 and 2004, dumping their bodies in canals; suspected of more than 100 murders; sentenced to life imprisonment.
*Darbara Singh (murderer), Darbara Singh: convicted for two murders, 17 suspected victims. Singh had three children; his wife expelled him from their house, because of his "bad habits". Died in Prison in 2018.
*Akku Yadav: murdered at least three people and dumped their bodies on the railroad tracks; lynched by a mob of around 200 women in Nagpur.

Indonesia

*Baekuni: pedophile who killed between 4 and 14 boys from 1993 to 2010; sentenced to life imprisonment, later changed to the death sentence.
*Rio Alex Bulo: known as "Rio the Hammerhead"; murdered at least 4 car rental salesmen with a hammer between 1997 and 2001, and later his cellmate in 2005; executed in 2008.
*Gribaldi Handayani: police officer who shot and killed seven people, including a lover and his third wife, over various disputes from 1999 to 2004; sentenced to death.
*Very Idham Henyansyah: known as "The Singing Serial Killer"; convicted and sentenced to death in 2008 for the killing of 11 people.
*Astini Sumiasih: killed and then dismembered three neighbors to whom she owned money in Malang from 1992 to 1996; executed 2005.
*Ahmad Suradji: admitted to killing 42 women around Medan; sentenced to death and executed by firing squad on 10 July 2008.

Iraq

*Abu Tubar: known as "The Hatchet Man"; murdered an undetermined number of people with a hatchet in 1970s Baghdad; executed in 1980.
*Asghar the Murderer, Ali Asghar Borujerdi: known as "Asghar the Murderer"; killed 33 young adults in Iraq and Iran; executed in June 1934.
*Louay Omar Mohammed al-Taei: medical doctor found to have killed 43 wounded policemen, soldiers and officials in Kirkuk; was a member of an Insurgency, insurgent cell.

Iran

*Farid Baghlani: known as "The Cyclist Killer"; murdered 15 women, girls and one boy from 2004 to 2008 out of hatred for women; executed in 2010.
*Omid Barak: known as "The Highway Killer"; strangled and robbed 10 women in Gilan Province and Karaj to 2006 to 2008; executed 2011.
*Mohammed Bijeh: known as "The Tehran Desert Vampire"; killed at least 41 young boys near Tehran; executed in 2005.
*Saeed Hanaei: known as "The Spider Killer"; killed at least 16 women around Mashhad; executed in 2002.
*Gholamreza Khoshroo Kurdieh: known as "The Night Bat"; murdered nine women in Tehran in 1997, burning the bodies afterwards; executed in 1997.
*Majid Salek Mahmoudi: murdered twenty-four people from 1981 to 1985, primarily women he considered unfaithful to their husbands; committed suicide in prison before he could be sentenced.
*Esmail Rangraz: murdered a young girl in 2017, confessed to the murder of two women in 2012 and 2014 after his arrest; executed in 2017.
*Mahin Qadiri: first known female serial killer in Iran; acquitted of murder in 2006, robbed and killed five elderly women in Qazvin from February to May 2009; executed in 2010.

Republic of Ireland

*Geoffrey Evans, Geoffrey Evans and John Shaw: Englishmen who traveled to Ireland in 1976 and vowed to murder a woman once a week, killing two; both apprehended and sentenced. Until his 2012 death, Evans was one of Ireland's longest-serving prisoners.
*Darkey Kelly: brothel-keeper who killed six men in the 18th century; accused of witchcraft and was death by burning, burned at the stake in 1761.
*Alice Kyteler: known as "The Witch of Kilkenny"; alleged witch who poisoned four husbands in the 14th century; fled to England, fate unknown.
*Grangegorman killings#Mark Nash's confession, Mark Nash: murdered two female patients in Grangegorman in March 1997, followed by a couple in Ballintober, County Roscommon, Ballintober in August; another man was wrongfully convicted of the first double murder; sentenced to life imprisonment.

Israel

*Nicolai Bonner: known as "The Haifa Homeless Killer"; Moldovan immigrant who killed four homeless people in Haifa between February and May 2005, burning the bodies afterwards; sentenced to life imprisonment.
*Yahya Farhan: Bedouin serial killer, who murdered between two and four people from 1994 to 2004, including Murder of Dana Bennett, Dana Bennett; sentenced to three consecutive life sentences, and later acquitted of one murder.
*Vladimir Piniov: known as "The Bat Yam Homeless Killer"; Russian immigrant who murdered as least three vagrants in Bat Yam during drunken quarrels between 1999 and 2000; committed suicide before trial.
*Asher Raby: mentally-ill religious fanatic who killed five people across the country from March to November 1979, including Philoumenos (Hasapis) of Jacob's Well, Philoumenos Hasapis; deemed unfit to stand trial and sent to psychiatric facility.

Italy

*Wolfgang Abel and Marco Furlan: German-Italian duo who committed between 10 and 28 murders in Italy, Germany and the Netherlands between 1977 and 1984; sentenced to life, but released on parole.
*Beasts of Satan: Satanic cult members who committed three notorious ritual murders from 1998 to 2004.
*Marco Bergamo (serial killer), Marco Bergamo: known as "The Monster of Bolzano"; murdered five women in Bolzano from 1985 to 1992; died from a lung infection in 2017.
*Donato Bilancia: known as "The Monster of Liguria"; murdered 17 people in seven months between 1997 and 1998, died in prison.
*Antonio Boggia: known as "The Monster of Milan"; murdered four people for monetary purposes between 1849 and 1859; hanged 1862.
*Ralph Brydges: known as "The Monster of Rome"; English pastor who is widely believed to have murdered five girls in Rome in the 1920s, and four in other countries; never convicted of his crimes and died a free man.
*Sonya Caleffi: nurse who poisoned terminally ill patients between 2003 and 2004, killing five of them; sentenced to 20 years of imprisonment.
*Luigi Chiatti: known as "The Monster of Foligno"; kidnapped and killed two children in 1992 and 1993; sentenced to two life sentences, but he was found unfit to stand trial and was reduced to 30 years in a mental hospital.
*Leonarda Cianciulli: known as "The Soap-Maker of Correggio"; murderer of three women between 1939 and 1940; died in a women's criminal asylum in 1970.
*Ferdinand Gamper: known as "The Monster of Merano"; killed six people in 1996.
*Maurizio Giugliano: known as "The Wolf of Ager Romanus"; killed two women around Rome from 1983 to 1984, but suspected in seven total; sent to a mental hospital and killed a fellow inmate; died in 1994.
*Pier Paolo Brega Massone: murdered at least four people in Milan and maimed other dozens of victims through unnecessary surgeries to illegally obtain a large amounts of money refunds; convicted and given a life sentence.
*Andrea Matteucci: known as "The Monster of Aosta"; murdered a merchant and three prostitutes in Aosta from 1980 to 1995; sentenced to 28 years imprisonment and three years in a mental institution.
*Maurizio Minghella: killed five women in his hometown of Genoa in 1978; imprisoned and released, after which he murdered at least four more and is suspected of other murders between 1997 and 2001; sentenced to life imprisonment.
*Giorgio Orsolano: known as "The Hyena of San Giorgio Canavese, San Giorgio"; raped, killed, and dismembered three girls from 1834 to 1835 in his hometown of San Giorgio Canavese; executed 1835.
*Ernesto Picchioni: known as "The Monster of Nerola"; murdered people around his home; died of cardiac arrest in 1967.
*Milena Quaglini: murdered her husband and two men who tried to rape her from 1995 to 1999; committed suicide while imprisoned in 2001.
*Cesare Serviatti: known as "The Landru of the Tiber"; strangled and dismembered at least three women he sought through lonely hearts ads from 1928 to 1932; executed 1933.
*Gianfranco Stevanin: known as "The Monster of Terrazzo"; raped and murdered prostitutes after violent sex games between 1993 and 1994; violated the corpse of one victim; sentenced to life imprisonment.
*Giulia Tofana: leader of a group of female poisoners in the 17th century; died in her bed, never been arrested.
*Giorgio Vizzardelli: shot and killed five people around Sarzana from 1937 to 1939; sentenced to life imprisonment; committed suicide by slitting his throat with a kitchen knife in 1973.
*Umberto Zadnich: killed his common-law wife in Trieste in 1974, and later a cellmate at the mental hospital in 1976; after release, killed his daughter in 1987; interned at a psychiatric hospital.

Jamaica

*Lewis Hutchinson: Scottish immigrant convicted of shooting dozens of people in the 18th century; executed in 1773.

Japan

* Katsutaro Baba: strangled and mutilated five women and one infant in present-day Tatsuno, Nagano, Tatsuno from 1905 to 1907, stealing their gallbladders post-mortem; executed in 1908.
* Ryuun Daimai: known as "The Nun Slayer"; former monk who raped and killed at least five people in several cities between 1905 and 1915; executed in 1916.
* Sachiko Eto: known as "The Drumstick Killer"; cult leader who murdered six of her followers with Taiko sticks from 1994 to 1995; executed in 2012.
* Satarō Fukiage: raped and killed at least seven girls in the early 20th century; executed in 1926.
* Sokichi Furutani: murdered eight elderly people in several western Japanese cities for more than a month in 1965; suspected of four earlier murders, for two of which an accomplice was executed; executed in 1985.
* Takeshige Hamada: killed three people in Fukuoka for life insurance policies from 1978 to 1979, with help from his wife and two accomplices; sentenced to death, died while awaiting execution in 2017.
* Toshihiko Hasegawa and Masamichi Ida: killed three men for financial gain from 1979 to 1983; Hasegawa was executed in 2001 and Ida was executed in 1998.
* Hiroaki Hidaka: killed four prostitutes in Hiroshima in 1996; executed in 2006.
* Yoshitomo Hori: killed a couple in Hekinan in 1998, then aided in the murder of Murder of Rie Isogai, Rie Isogai in 2007; sentenced to death.
* Hayato Imai: paramedic who pushed at least three elderly nursing home patients to their deaths between November and December 2014; suspected of other murders; sentenced to death.
* Miyuki Ishikawa: midwife who murdered five infants, but could have been up to 84, between 1946 and 1948.
* Chisako Kakehi: poisoned her husband and two other men to death, attempted to kill a fourth man, and is a suspect in another seven deaths; sentenced to death.
* Yasutoshi Kamata: known as "The Osaka Ripper"; strangled four women and one girl in Osaka between 1985 and 1994, dismembered their bodies and dumped then near forests; executed in 2016.
* Kiyotaka Katsuta: firefighter who shot and strangled at least eight people, some during robberies, between 1972 and 1982; executed in 2000.
* Kanae Kijima: known as "The Konkatsu Killer"; marriage fraudster who poisoned between three and seven men for money, from 2007 to 2009; sentenced to death.
* Kau Kobayashi: poisoned her husband in 1952, and later killed an inn proprietor and his wife in 1960 with the help of her accomplice; executed in 1970.
* Yoshio Kodaira: rapist thought to have killed eleven people in Japan and China as a soldier; executed in 1949.
* Genzo Kurita: killed six women and two children and engaged in rape and necrophilia; executed in 1959.
* Hiroshi Maeue: known as "The Suicide Website Murderer"; Osaka man who lured people from suicide clubs promising to kill himself with his victims; executed in 2005.
* Futoshi Matsunaga and Junko Ogata: tortured and killed at least seven people between 1996 and 1998, including Ogata's family; both sentenced to death, but Ogata's sentenced was later commuted to life imprisonment.
* Tsutomu Miyazaki: known as "The Otaku Murderer"; killed four pre-school-age girls and ate the hand of a victim; executed in 2008.
* Tetsuyuki Morikawa: stabbed to death his mother-in-law in 1962; sentenced to life imprisonment, paroled and killed two of his ex-wife's relatives in 1985; executed in 1999.
* Seisaku Nakamura: known as "The Hamamatsu Deaf Killer"; murdered at least nine people in war-time Hamamatsu; executed in 1943.
* Susumu Nakayama: murdered a motorist during a robbery in 1969; sentenced to death, commuted to life and paroled; later killed his girlfriend's estranged husband and the man's girlfriend in 1998; sentenced to death, died in prison in 2014.
* Akira Nishiguchi: killed five people and engaged in fraud; executed in 1970.
* Shojiro Nishimoto: killed a taxi driver and three elderly people during robberies to pay off his debts from January to September 2004; executed in 2009.
* Masakatsu Nishikawa (serial killer), Masakatsu Nishikawa: killed a snack bar hostess in Tottori (city), Tottori in 1974; after parole, killed four more during a robbery spree in December 1991; executed in 2017.
* Kiyoshi Ōkubo: known as "Tanigawa Ivan"; raped and murdered eight young women in Gunma Prefecture over a period of 41 days in 1971; executed in 1976.
* Shige Sakakura: baby farmer who killed more than 200 infants in present-day Nagoya between 1898 and 1913 with her two accomplices; all three were executed in 1915.
* Gen Sekine: responsible for the "Saitama Dog Lover Murders"; poisoned at least four clients with his wife and an accomplice in Kumagaya from April to August 1993, dismembering and burning the bodies afterwards; sentenced to death, died in prison in 2017.
* Sadakichi Shimizu: first recorded Japanese serial killer; robbed and murdered six people, including a police officer, in Tokyo between 1882 and 1886; executed in 1887.
* Takahiro Shiraishi: known as "The Twitter Killer"; murdered nine women and young girls at his apartment in Zama, Kanagawa, Zama that he met through social media after making bogus suicide pacts with them; sentenced to death.
* Sadame Sugimura: fatally poisoned three women to steal their money in Kumamoto Prefecture from November to December 1960; executed in 1970.
* Amagasaki Serial Murder Incident, Miyoko Sumida: tortured and killed at least 8 people at her house condominium in Amagasaki from 1987 to 2012, often helped by their brainwashed relatives; committed suicide before trial.
* Yasunori Suzuki: robbed and killed three women in the Fukuoka Prefecture from 2004 to 2005; executed in 2019.
* Ryuichi Tsukamoto: teenager who strangled three women during house burglaries in three prefectures from 1966 to 1967; sentenced to life imprisonment, but later paroled.
* Yoshinori Ueda (serial killer), Yoshinori Ueda: responsible for the "Osaka Dog Lover Murders"; poisoned five people with suxamethonium from July to October 1992 as part of a fraudulent scheme; sentenced to death.
* Miyuki Ueta: former snack hostess who murdered between two and six men she dated in Tottori (city), Tottori, from 2004 to 2009; sentenced to death.
* Yukio Yamaji: murdered his own mother in 2000, and then murdered a 27-year-old woman and her 19-year-old sister in 2005; executed in 2005.

Kazakhstan

*Nikolai Dzhumagaliev: known as "Metal Fang"; raped and hacked seven women to death with an axe in Almaty in 1980, then cannibalised them using his unusual false teeth. Declared insane and sent to a mental hospital.
*Yuri Ivanov (serial killer), Yuri Ivanov: known as "The Ust-Kamenogorsk Maniac"; raped and killed 16 girls and young women who spoke badly of men in Ust-Kamenogorsk from 1974 to 1987; executed in 1987.
*Ivan Mandzhikov: known as "The Kazgugrad Monster"; raped and strangled four female students and one man in the vicinity of the Al-Farabi Kazakh National University, KazGU University between 1988 and 1989; executed in 1993.
*Oleg Murayenko: murdered an inmate in 1998; after release, murdered six women between March and November 2000 in and around Petropavl; executed in 2002.

Kyrgyzstan

*Viktor Selikhov: known as "The Naked Demon"; attacked and raped young girls and women in Bishkek, Frunze and its surroundings between 1962 and 1964, killing at least three; executed in 1965.

Latvia

*Ivars Grantiņš: known as "The Ceraukste Maniac"; raped, murdered and dismembered two women and his daughter from June to August 2008 in Ceraukste Parish; sentenced to life imprisonment.
*Ansis Kaupēns: army deserter who committed 30 robberies and 19 murders from 1920 to 1926; executed in 1927 in Vircava Parish.
*Yuri Krinitsyn: known as "The Riga Upyr"; mentally-ill Russian immigrant who killed three men, including two KGB operatives, in Riga in 1975; found incompetent to stand trial sentenced to involuntary commitment.
*Kaspars Petrovs: killed between 13 and 38 elderly women in Riga until 2005; sentenced to life imprisonment.
*Stanislav Rogolev: known as "Agent 000"; robbed, raped and killed ten women from 1980 to 1982; suspected of having inside information for the investigation on him; executed in 1984.

Lebanon

*George and Michel Tanielian: known as "The Taxi Driver Killers"; Syrian brothers who killed and robbed mostly taxi drivers in the Matn District from July to November 2011; both sentenced to death.

Lithuania

*Kazys Jonaitis: known as "The Roadside Maniac"; convicted of murder in 1984 and released, whereupon he raped, bludgeoned and decapitated at least three women from 2000 to 2001; sentenced to life imprisonment.
*Valentinas Laskys: together with his daughter, killed 4 people in Lithuania and Belarus during robberies from 1990 to 1992; executed in 1993.
*Antanas Varnelis: murdered and robbed six pensioners between July and December 1992 around several municipalities; executed in 1994.

Malta

*Silvio Mangion: only known serial killer in Malta; murdered three elderly pensioners during robberies between 1984 and 1998; sentenced to life imprisonment.

Mexico

*Macario Alcala Canchola: known as "Jack Mexicano" ("Mexican Jack"), was a Jack the Ripper copycat active in the 1960s.
*Sara Aldrete: known as "La Madrina"; cult follower of Adolfo Constanzo; convicted in 1994 of murdering several individuals during her association with Constanzo.
*David Avendaño Ballina: known as "The Hamburger"; alleged leader of a sex servant gang who robbed and poisoned their clients from 1997 to 2007; arrested in 2008.
*Juana Barraza: known as "Mataviejitas" ("Old Lady Killer"); operated within the metropolitan area of Mexico City until 25 January 2006.
*José Luis Calva: cannibal; police found the remains of multiple female victims in his house; committed suicide prior to capture in 2007.
*Gregorio Cárdenas Hernández: known as "The Strangler of Tacuba"; strangled four women in the Tacuba (Mexico), Tacuba neighborhood of Mexico City in 1942; died in 1999 of natural causes.
*Andrés Ulises Castillo Villarreal: known as "The Chihuahua Ripper"; drugged, raped, killed, and mutilated three men in Chihuahua (state), Chihuahua in 2015; confessed to 12 more murders, but suspected of 20 overall; sentenced to 120 years imprisonment.
*Flor Cazarín González: known as "The Godmother"; together with her son and another man, she killed and robbed two women in Chihuahua City in 2016; suspected in a total of 25 murders; sentenced to 44 years imprisonment.
*The Ciudad Juárez Rebels: gang of serial killers who killed women in Ciudad Juárez from 1995 to 1996; convicted of eight murders, suspected of killing between 10 and 14; claimed to have worked for Abdul Latif Sharif.
*Adolfo Constanzo: known as "The Godfather of Matamoros"; serial killer and cult leader in Mexico; committed suicide in 1989.
*Feminicides of the cotton field, Edgar Álvarez Cruz and Francisco Granados: responsible for the so-called "Feminicides of the cotton field"; Cruz, with the help of the drugged Granados, kidnapped, raped, tortured, and killed at least eight to ten young women in satanic rituals between 1993 and 2003; suspected of committing a total of fourteen murders.
*Pedro Padilla Flores: known as "El Asesino de Rio Bravo" ("The Killer of the Bravo River"); killed three women in 1986; escaped to the U.S. but was deported back to Mexico; suspect in the Ciudad Juárez murders.
*Óscar García Guzmán: known as "The Monster of Toluca"; killed six people between 2006 and 2019, including his father, in Toluca; awaiting trial for murder.
*Gabriel Garza Hoth: known as "The Black Widower"; killed three women in Mexico City between 1991 and 1998, his victims were wives and lovers.
*Delfina and María de Jesús González: known as "Las Poquianchis"; killed a total of 91 in Guanajuato; arrested and sentenced to 40 years in prison in 1964.
*Francisco Guerrero Pérez: known as "El Chalequero" ("The man of the vests"); the first documented serial killer in Mexico; committed approximately 20 murders in Mexico City between 1880 and 1888 plus one more in 1908.
*Fernando Hernández Leyva: convicted of 33 murders in 1986, suspected of 137 killings.
*Monsters of Ecatepec, Juan Carlos Hernández and Patricia Martínez: pair from Ecatepec, State of Mexico, known as "The Monsters of Ecatepec"; who raped, murdered, and cannibalized between 10 and 20 women. Active between 2012 and 2018.
*Luis Oscar Jiménez Herrera: known as "The Tinaco Killer"; murdered 16 women in Nuevo León between 2013 and 2016, but also suspected of a 2010 murder in San Luis Potosí; sentenced to 123 years imprisonment.
*César Armando Librado Legorreta: known as "El Coqueto" ("The Coquette"); raped and killed six women in the Greater Mexico City between 2011 and 2012; sentenced to 240 years in prison.
*Los Huipas: gang of four indigenous homosexual men, led by Eusebio Yocupicio Soto, who murdered seven men who made fun of them between 1949 and 1950; initially sentenced to death, later commuted to 30 years imprisonment.
*Rudolfo Infante and Anna Villeda: couple from Matamoros, Tamaulipas, Matamoros responsible for the murders of eight women. Apprehended in 1991.
*Abdul Latif Sharif: known as "The Ciudad Juárez Predator"; Egyptian man responsible for murdering an unknown number of women in Ciudad Juárez, possibly as many as 15 but convicted of only one; died in prison.
*Daniel Audiel López Martínez: killed five women in Ciudad Juárez between 2007 and 2010.
*Raúl Osiel Marroquín: known as "El Sadico" ('The Sadist'); killed four gay men in Mexico City.
*Filiberto Hernández Martínez: killed six people between 2010 and 2013 in San Luis Potosí.
*Jorge Humberto Martínez Córtez: known as "El Matanovias"; killed between two and three of his romantic partners from 2011 to 2014; currently awaiting sentencing.
*Guadalupe Martínez de Bejarano: known as "La Mujer Verdugo"; tortured and then murdered three young girls in Mexico City in 1887 and 1892; died in prison.
*Alejandro Máynez: may have killed over 50 women with accomplices; fugitive.
*House of Laments, Tadeo Fulgencío Mejía: responsible for several murders during the 1890s and 1900s, motivated by delirious idea of contacting his deceased wife. Now the house in Guanajuato, where he committed the crimes, is known as "The House of Laments" (''Casa de los lamentos''), and according to legend is haunted.
*Silvia Meraz: Sonora woman involved in an occult sect, killed three people with the aid of family members; sentenced to 180 years in prison.
*Agustín Salas del Valle: known as "Jack the Strangler"; killed more than 20 women in Mexico City's Central Zone.
*Felícitas Sánchez Aguillón: known as "The Ogress of Colonia Roma"; nurse, midwife and baby farmer responsible for an unknown number of murders during the 1930s, possibly 50 victims, in Mexico City.
*Cristina Soledad Sánchez Esquivel: known as "La Matataxistas"; killed between five and six taxi drivers in Nuevo León in 2010 with her accomplice Aarón Herrera Hernández; sentenced to 130 years imprisonment.
*Magdalena Solís: religious fanatic, proclaimed "The High Blood's Priestess"; killed eight people in ritual sacrifices
*Mario Alberto Sulú Canché: killed three young girls between 2007 and 2008 in Mérida, Yucatán; later died in prison.

Moldova

*Alexander Skrynnik: known as "The Moldavian Chikatilo"; killed and then mutilated three women in Chișinău and Yakutia from the mid-1970s to 1980; executed in 1981.

Morocco

*Abdelaâli Hadi: known as "The Butcher of Taroudant"; raped and murdered nine young children in Taroudant between 2001 and 2004; sentenced to death.
*Hadj Mohammed Mesfewi: known as "The Marrakesh Arch-Killer"; drugged and killed 36 women; died 1906.

Netherlands

*Klaas Annink: known as "Huttenkloas"; robber and murderer from Twente who killed along with his wife, Anna, and son, Jannes; both he and his wife were executed in 1775.
*Hendrikje Doelen: 19th century farm-wife who poisoned several people in a poorhouse from 1845 to 1846, killing three of them; died of natural causes in prison in 1847.
*Willem van Eijk: known as "The Beast of Harkstede"; convicted of the murders of five women between 1971 and 2001; died in prison in 2019.
*Koos Hertogs: convicted of the murders of three women between 1979 and 1980; died in jail in 2019.
*Frans Hooijmaijers: known as "Fat Frans"; nurse who poisoned at least five patients with insulin from 1970 to 1975, but is suspected of 259 deaths in total; sentenced to life, commuted to 18 years and released in 1987; died in 2006.
*Aalt Mondria: escaped mental patient who murdered a family of three in 1978; after release, murdered his girlfriend's son in 1997; died 2011 from untreated Hepatitis C.
*Gustav Müller (serial killer), Gustav Müller: German watchmaker who murdered his wife and son in Rotterdam in 1897; surrendered and subsequently confessed to killing his parents and at least 14 other wives around the world; acquitted by reason of insanity and confined to an asylum.
*Hester Rebecca Nepping: poisoned an elderly boarder, her father and husband in two months in 1811; executed in 1812.
*Patrick Soultana: strangled two women in 2010, suspected of three more murders; sentenced to 25 years plus provision in 2014.
*Michel Stockx: Belgian man who murdered three children around Assen in 1991; sentenced to 20 years in prison in 1992; died of severe burns from an incident during his work therapy in 2001.
*Maria Swanenburg: suspected of killing between 27 and 90 people with arsenic in Leiden in the 1880s; died in prison in 1915.
*Hans van Zon: Utrecht man who murdered three people from April to August 1967, including a former lover; suspected of several other murders; died 1998 from alcohol poisoning.

New Zealand

*Robert Butler (criminal), Robert Butler: Irish highwayman who allegedly killed a family of three in Dunedin in 1880; acquitted, but was later executed in 1905 for shooting a man in Australia.
*Daniel Cooper (murderer), Daniel Cooper: known as "The Newlands, New Zealand, Newlands Baby Farmer"; killed two infants and supposedly his first wife; executed in 1923.
*Minnie Dean: Scottish immigrant Baby farming, baby farmer who killed at least three children by Laudanum poisoning and suffocation in the 1890s; executed in 1895.
*Hayden Poulter: murdered at least three people in Auckland in 1996. Labelled in the media as New Zealand's first serial killer; committed suicide in 2018.

Nigeria

*Gracious David-West: confessed to the murders of 15 women predominantly in Port Harcourt in 2019; sentenced to death in 2020.

North Korea

*Park Myung-sik: known as "The Organ Harvester"; killed 12 teenagers in Sinpo from April to October 1990, so he could eat their livers and supposedly cure his cirrhosis; executed in 1991.

North Macedonia

*Viktor Karamarkov: known as "The Macedonian Rodion Raskolnikov, Raskolnikov"; drug addict who murdered four elderly women in Skopje from March to October 2009; sentenced to life imprisonment.
*Vlado Taneski: crime reporter arrested in June 2008 for the murder of three elderly women, with another possible victim, on whose deaths he had written articles; committed suicide in police custody.

Norway

*Edgar Antonsen: killed at least two women and a young girl from 1962 to 1974, aided by his half-brother in the latter killings; sentenced to life, released in 1988 and committed suicide in 1993.
*Tistedalen Murders, Roger Haglund: murdered four people in Tistedalen between 1991 and 1992; suspected of a double murder in Sweden in the 1980s; sentenced to 21 years imprisonment, released and died a free man in 2011.
*Sofie Johannesdotter: Swedish maid who poisoned at least three people with arsenic in present-day Halden from 1869 to 1874; executed in 1876.
*Arnfinn Nesset: manager of an Orkdal geriatric nursing home who poisoned twenty-two residents with suxamethonium chloride over a period of years before being convicted in 1983.

Pakistan

*Javed Iqbal (serial killer), Javed Iqbal: believed to have raped and killed 100 boys; committed suicide while in prison in 2001.
*Amir Qayyum: known as "The Brick Killer"; murdered 14 homeless men in Lahore with rocks or bricks when they were asleep; sentenced to death in May 2006.
*Murder of Zainab Ansari, Imran Ali: raped and murdered at least eight children, including Zainab Ansari; executed in 2018.

Panama

*Silvano Ward Brown: known as "The Panamá Strangler"; first known serial killer in Panamanian history; strangled three women from 1959 to 1973 in Panamá Province; released in 1993 after serving a 20-year sentence.
*Gilberto Ventura Ceballos: Dominican Republic, Dominican man who murdered five Panamanian youths of Chinese descent in La Chorrera, Panama, La Chorrera from 2010 to 2011; sentenced to 50 years imprisonment.
*William Dathan Holbert: known as "Wild Bill"; American expatriate who had the bodies of five other Americans buried on his property; he would kill people to get their money and properties; his wife, Laura Michelle Reese, was also arrested.

Paraguay

*Agustín Ramón Martínez: known as "Israeli Soldier"; Paraguayan-Israeli criminal who killed, dismembered and burned at least six people in Argentina and Paraguay from 1993 to 2018; suspected of other murders, including his wife in Israel; sentenced to 40 years imprisonment.

Peru

*Pedro Pablo Nakada Ludeña: known as "The Apostle of Death"; convicted of seventeen murders and claimed 25; sentenced to 35 years in prison.

Philippines

*Juan Severino Mallari: first documented serial killer in the Philippines; Catholic priest who killed at least 57 parishioners in Magalang, Pampanga from 1816 to 1826 as part of perceived cure to his mother's hexing; may have been suffering from mental illness. Imprisoned for 14 years and executed in 1840.

Poland

*Bogdan Arnold: murdered four women in Katowice from 1966 to 1967; also attempted to poison his third wife; executed in 1968.
*Władysław Baczyński: killed a woman and three men in Wrocław and Bytom from 1946 to 1957; executed in 1960.
*Józef Cyppek: known as "The Butcher of Niebuszewo"; dismembered his neighbour in 1952; was sentenced to death and executed that same year; suspected of other murders.
*Tadeusz Ensztajn: known as "The Vampire of Łowicz"; raped and killed seven women in Łowicz and the surrounding areas in 1933; sentenced to 15 years in prison in 1934.
*Krzysztof Gawlik: known as "Scorpio"; murdered five people with a silenced machine gun in 2001; sentenced to life imprisonment.
*Ferdynand Grüning: known as "The Łódź Vampire"; tinsmith imprisoned for murdering a young girl in 1926, later released and killed two more children until 1938; sentenced to death, fate unknown.
*Tadeusz Grzesik: leader of the so-called "Bureaucrats Gang"; killed between 8 and 20 people in several voivodeships with his gang, mainly owners of exchange offices; suspected of more murders; sentenced to life imprisonment.
*Joachim Knychała: known as "The Vampire of Bytom" or "Frankenstein"; murdered five women between 1975 and 1982.
*Edmund Kolanowski: necrophile who murdered three women from 1970 to 1982; also mutilated and desecrated corpses he excavated from chapels; executed 1986.
*Karol Kot: killed two people from 1964 to 1966 in his native Kraków, attempted to murder many more; executed in 1968.
*Henryk Kukuła: known as "The Monster from Chorzów"; pedophile who murdered four children from 1980 to 1990; sentenced to 28 years in prison, expected to be released in 2020.
*Tadeusz Kwaśniak: known as "The Towel Strangler"; violent pedophile who raped and murdered five boys from 1990 and 1991; also responsible for numerous robberies; hanged himself in his prison cell before he could be sentenced.
*Zdzisław Marchwicki: known as "The Zagłębie Dąbrowskie, Zagłębie Vampire"; convicted of murdering 14 women; executed in 1976.
*Nikifor Maruszeczko: criminal who killed four men for the purpose of robbery; executed in 1938.
*Władysław Mazurkiewicz (serial killer), Władysław Mazurkiewicz: known as "The Gentleman Killer"; killed up to 30 women; executed by hanging in 1957.
*Stanisław Modzelewski: murdered seven women in Łódź during the 1960s; executed in 1970.
*Henryk Moruś: killed seven people in Piotrków Voivodeship from 1986 to 1992; sentenced to 25 years imprisonment; died of probable heart failure in 2013.
*Grzegorz Musiatowicz: violent criminal who killed three men between 2002 and 2014; sentenced to life imprisonment.
*Katarzyna Onyszkiewiczowa: known as "The Female Demon"; habitual thief who poisoned at least three men across Kingdom of Galicia and Lodomeria, Austrian Galicia from 1869 to 1870; sentenced to 30 years imprisonment, later died in prison.
*Leszek Pękalski: known as "The Vampire of Bytów"; killed up to 17 women.
*Józef Pluta: known as "The Vampire of Marianowo"; killed a neighbor in 1973; sentenced to 12 years imprisonment but escaped in 1979, killing at least six additional victims in two incidents; died under disputed circumstances while on the run.
*Kazimierz Polus: pedophile who killed two boys and one man from 1971 to 1982; executed in 1985.
*Skin Hunters: paramedics and doctors in Łódź who killed patients for profit; the four were convicted and officials are investigating possible accomplices.
*Mariusz Sowiński: known as "The Stefankowice Vampire"; raped and killed four women from 1994 to 1997; sentenced to 50 years in prison.
*Mariusz Trynkiewicz: known as "The Satan of Piotrków"; serial rapist who murdered four boys in July 1988 in Piotrków Trybunalski; released in 2014, rearrested in 2015 for possessing child pornography.
*Paweł Tuchlin: known as "Scorpion"; killed nine women and attempted to kill 11 more to feel better; executed in 1987.
*Zakrzewski family: father and two sons who killed eight people, including a family of five, around Rzepin Pierwszy from 1954 to 1969 due to their communist leanings; father and elder son were executed in 1972, while the younger, sentenced to 25 years imprisonment, hanged himself in prison.
*Mieczysław Zub: known as "Fantomas"; killed four women the area of Ruda Śląska; committed suicide in 1985.

Portugal

*Diogo Alves: known as "The Aqueduct Murderer"; Spanish man who robbed and threw poor people off Lisbon's Águas Livres Aqueduct between 1836 and 1840; executed in 1841.
*Luísa de Jesus: known as "The Foundling Wheel Killer"; baby farmer who strangled at least 33 babies in Coimbra from 1760s to 1772; executed 1772, the last woman to be executed in Portugal.
*António Luís Costa: ex-Portuguese National Republican Guard, GNR officer from Santa Comba Dão who murdered three women between 2005 and 2006; sentenced to 25 years in prison.

Romania

*Vera Renczi: poisoned two husbands, one son, and 32 of her suitors in the 1920s and 1930s.
*Ion Rîmaru: murdered and raped young women in Bucharest from 1970 to 1971; executed in 1971.
*Ioan Sârca: known as "The Monster from Valcău"; raped and strangled at least 20 boys and teenagers between 1943 and 1945, selling their clothes at flea markets afterwards; sentenced to life, died in prison in 1991.
*Adrian Stroe: known as "The Taxi Driver of Death"; strangled three women between January and September 1992 near Bucharest, dumping their bodies in Lake Cernica; sentenced to life imprisonment, but paroled in 2018.
*Vasile Tcaciuc: known as "The Butcher of Iași"; murdered victims with an axe and confessed to have committed at least 26 murders; shot dead by a policeman while trying to escape from prison.
*Romulus Vereș: convicted of five murders in the 1970s; sent to a mental institution; died in 1993.

Russia

Rwanda

*Aloys Tubarimo: murdered seven taxi drivers in Bugesera District from August to November 2007 to steal their bikes; sentenced to life imprisonment.

Saudi Arabia

*Awdah Ahmad Awdah Salem: known as "The Yanbu Serial Killer"; Yemeni expatriate who raped and murdered three Indonesian housemaids in Yanbu between 2007 and 2009, burying their bodies afterwards; executed in August 2014.

Serbia

*Baba Anujka: known as "The Witch of Vladimirovac"; professional poisoner who poisoned between 50 and 150 people until apprehended in 1928.

Singapore

*Sek Kim Wah: 19-year-old NS conscript who was responsible for killing five people between June 1983 to July 1983 in two separate murder cases, the latter of which became known as the Andrew Road triple murders; executed in 1988. Singapore's first and only serial killer to date.

Slovakia

*Matej Čurko: known as "The Slovak Cannibal"; killed and cannibalized two willing victims in 2010 in Kysak, suspected of another 28 such cases from 2009 to 2011; killed by police in 2011.
*Juraj Lupták: known as "The Strangler from Banská Bystrica"; shepherd who raped and strangled three women from 1978 to 1982; executed 1987 in Bratislava.
*Ondrej Rigo: known as "The Sock Killer"; killed, raped, and mutilated nine women in the Netherlands, Germany and Slovakia, always wearing socks on his hands; sentenced to life imprisonment.
*Jozef Slovák: after serving just eight years for his first murder from 1978, Slovák killed at least four other women in Slovakia and Czech Republic in the early 1990s; highly intelligent, holder of numerous patents in electronics.
*Marek Zivala: sexual sadist who strangled three women in the Czech Republic and Slovakia from 1996 to 1998; sentenced to life imprisonment.

Slovenia

*Silvo Plut: killed three women in Slovenia and Serbia from 1990 until 2006; committed suicide in prison in 2007.
*Metod Trobec: raped and killed at least five women between 1976 and 1978; committed suicide in prison in 2006.

South Africa

*Asande Baninzi: killed 18 people in the span of three months in 2001 with accomplice Mthutuzeli Nombewu; was given 19 life sentences and 189 years imprisonment.
*Pierre Basson: first documented South African serial killer; killed nine people in Claremont, Cape Town, Claremont between 1903 and 1906 and buried them in his backyard; committed suicide to avoid arrest.
*Sibusiso Duma: murdered seven people in the Pietermaritzburg area of KwaZulu Natal in 2007.
*Gamal Lineveldt: responsible for "The Cape Flats Murders"; murdered four European women from October to November 1940; executed in 1942.
*Cedric Maake: known as "The Wemmer Pan Killer"; serial rapist; murdered at least 27 people from 1996 to 1997.
*Bulelani Mabhayi: known as "The Monster of Tholeni"; killed 20 women and children from 2007 to 2012 in the village of Tholeni in the Eastern Cape.
*Simon Majola: together with accomplice Themba Nkosi, known as "The Bruma Lake Killers"; robbed and drowned at least eight men in Bruma Lake from 2000 to 2001; both sentenced to life imprisonment.
*Fanuel Makamu: known as "The Mpumalanga Serial Rapist"; along with accomplice Henry Maile, robbed, raped, and murdered six women from February to September 2000; Maile was shot by police on 14 September, while Makamu was captured and sentenced to 165 years imprisonment.
*Jimmy Maketta: known as "The Jesus Killer"; convicted on 16 counts of murder, 19 counts of rape from 1996 to 1999.
*Andries Makgae: raped and murdered at least three women in Onderstepoort between 2012 and 2013; suspected of other murders, including his best friend; sentenced to life imprisonment.
*Johannes Mashiane: known as "The Beast of Atteridgeville" 13 counts of murder, twelve counts of sodomy from 1982 to 1989.
*Daisy de Melker: poisoner; killed two husbands and one son between 1923 and 1932; executed in 1932.
*Samuel Bongani Mfeka: strangled six women from 1993 to 1996 in KwaZulu-Natal.
*Jack Mogale: known as "The West-End serial killer"; convicted of raping and murdering 16 women in Johannesburg in 2008 and 2009.
*Elifasi Msomi: known as "The Axe Killer"; murdered 15 people from 1953 to 1955, claiming that he was under the influence of the Tokoloshe. Executed in 1956.
*Mukosi Freddy Mulaudzi: known as "The Limpopo Serial Killer"; escaped convict, originally responsible for two murders in 1990, who murdered 11 more people between 2005 and 2006; given 11 life sentences.
*Nicholas Lungisa Ncama: murdered six people in the Eastern Cape in 1997; sentenced to life in prison.
*Velaphi Ndlangamandla: known as "The Saloon Killer"; robber who murdered 19 people around Mpumalanga from April to September 1998; sentenced to 137 years imprisonment.
*David Randitsheni: known as "The Modimolle Serial Killer"; raped and murdered ten children (kidnapped and raped more) from 2004 to 2008.
*Gert van Rooyen: allegedly abducted and murdered at least six girls across South Africa from 1988 to 1989; committed suicide to avoid apprehension.
*Louis van Schoor: former security guard who confessed to murdering 100 people; released on parole.
*Khangayi Sedumedi: known as "The Century City Killer"; raped, robbed, and murdered between four and six women in Century City, Cape Town, Century City from 2011 to 2015; sentenced to life imprisonment.
*Samuel Sidyno: known as "The Capital Hill Serial Killer"; murdered seven people in Pretoria from 1998 to 1999.
*Norman Afzal Simons: known as "The Station Strangler"; raped, sodomised and murdered 22 children on the Cape Flats from 1986 to 1994.
*Moses Sithole: known as "The ABC Killer"; raped and killed at least 38 young women in Atteridgeville, Boksburg and Cleveland from 1994 to 1995.
*Thozamile Taki: known as "The Sugarcane Serial Killer"; robbed and killed ten women in KwaZulu Natal and three in Eastern Cape, dumping their bodies in sugarcane and tea plantations.
*Sipho Thwala: known as "The Phoenix, Durban, Phoenix Strangler"; raped and murdered 19 women in the sugarcane fields of KwaZulu Natal from 1996 to 1997.
*Stewart Wilken: known as "The Boetie Boer"; raped, sodomized, and murdered at least seven victims in and around Port Elizabeth from 1990 to 1997.
*Tommy Williams (serial killer), Tommy Williams: known as "The City Serial Killer"; strangled to death three acquaintances from 1987 to 2008; deemed the country's longest-active serial offender; sentenced to life imprisonment.
*Elias Xitavhudzi: known as "The Pangaman"; murdered 16 people in Atteridgeville in the 1950s; executed in 1960.
*Christopher Mhlengwa Zikode: known as "The Donnybrook Serial Killer"; murdered 18 people in Donnybrook, KwaZulu-Natal from 1994 to 1995.

South Korea

*Ahn Nam-gi: taxi driver who raped and murdered at least three female passengers in Cheongju from 2004 to 2010; suspected in other murders; sentenced to death, commuted to life imprisonment.
*Chijon family: gang of cannibals that was sentenced to death for killing five people between 1993 and 1994; all but one was executed on 2 November 1995.
*Véronique Courjault: French woman who confessed to killing three of her babies, stuffing two of them in a freezer at their family home in South Korea; sentenced to 8 years imprisonment in 2009, released 2010.
*Crown Prince Sado: Joseon prince who raped and killed his palace staff; sealed in a rice chest and died.
*Jeong Du-yeong: killed an officer in 1986; after release, killed eight other people in robberies from 1999 to 2000; sentenced to death.
*Jeong Nam-gyu: sexually assaulted and killed fourteen people from 2004 to 2006; died in hospital after failing to hang himself the previous day.
*Anyang student murders#Jeong Seong-hyeon, Jeong Seong-hyeon: misogynist who killed a karaoke assistant in Gunpo in 2004, then two young girls in Anyang, Gyeonggi, Anyang in 2007; sentenced to death.
*Ji Chun-gil: paroled convict who set fire to houses he robbed in Andong from March to October 1990, killing six elderly women in the process; sentenced to life, changed to death, and executed in 1995.
*Kang Chang-gu: raped and strangled six women along rural roads in Gongju from 1983 to 1987; executed in 1990.
*Kang Ho-sun: sentenced to death in 2010 for killing ten women, including his wife and mother-in-law.
*Kim Dae-doo: killed 17 people during house invasions across three provinces between August and October 1975; executed in 1976.
*Kim Hae-sun: violent drunkard who raped and killed three children in 2000; sentenced to death in 2001.
*Kim Sun-ja (serial killer), Kim Sun-ja: poisoned five people with potassium cyanide between 1986 and 1988 for monetary reasons; executed in 1997.
*Kim Yong-won: raped and killed two women and one underage girl around North Chungcheong Province from March to June 2005; suspect in the 1994 murder of a man; sentenced to death in September 2005.
*Kwon Jae-chan: robbed and murdered three people between 2003 and 2021 in the Michuhol District of Incheon, South Korea; sentenced to death.
*Lee Choon-jae: responsible for "The Hwaseong serial murders"; murdered fifteen women, including his sister-in-law, and raped numerous others; sentenced to life imprisonment for one murder in 1994, and connected to the others decades later.
*Pocheon poisonings: poisonings of three family members with herbicides, committed by a woman known only as "Noh", between 2011 and 2014 in Pocheon; sentenced to life imprisonment.
*Shim Young-gu: stabbed to death eight people during violent robberies in Gyeonggi Province and Seoul from May to December 1989; executed in 1992.
*Yoo Young-chul: cannibal; killed twenty-one people from September 2003 to July 2004, mainly young women and rich men; sentenced to death in 2004.

Spain

*The "Frenchman's Garden" Murders, Andrés Aldije Monmejá and José Muñoz Lopera: responsible for "The Frenchman's Garden Murders"; owners of an illegal gambling house who killed six visitors from 1889 to 1904; both garroted in 1906.
*Francisca Ballesteros: known as ''La Viuda Negra'' ("The Latrodectus, Black Widow"), poisoned her husband and three children in Valencia, Spain, Valencia between 1990 and 2004 (one survived), sentenced to 84 years in prison in 2005.
*Manuel Blanco Romasanta: travelling salesman who claimed to be a werewolf, confessed to thirteen murders and was convicted of eight in 1853; his initial death sentence commuted in order to make a study in clinical lycanthropy, died in prison ten years later.
*Manuel Delgado Villegas: known as ''El Arropiero'' ("The Arrope Trader"), wandering criminal with XYY syndrome that confessed to 48 murders in Spain, France and Italy, including his girlfriend; considered guilty of seven and interned in a mental institution until his death in 1998.
*Joaquín Ferrándiz Ventura: insurance salesman who murdered five women in Castellón Province between 1995 and 1996.
*Alfredo Galán: known as "The Playing Card Killer"; Spanish Army corporal who killed six individuals in 2003.
*Juan Díaz de Garayo: known as "The Sacamantecas"; killed six people from 1870 to 1879 in Álava. Executed by garrote in 1881.
*Francisco García Escalero: known as ''El Mendigo Asesino'' ("The Killer Beggar"); schizophrenia, schizophrenic beggar convicted of eleven murders, confined to a psychiatric hospital since 1995.
*Gila Giraldo: known as "La Serrana de la Vera"; alleged 15th–16th century serial killer who beheaded men she slept with. Executed.
*Murder of Rocío Wanninkhof#Tony Alexander King, Tony Alexander King: known as "The Costa Killer"; British sex offender who murdered two girls in Málaga in 1999 and 2003; suspected of possibly committing more murders in his native UK; sentenced to 19 years imprisonment.
*Ramón Laso: killed his two wives, child and brother in law in order to pursue extra-marital relationships.
*Enriqueta Martí: self-proclaimed witch who kidnapped, prostituted, murdered and made potions with the remains of small children in early 20th century Barcelona (12 bodies were identified in her home); murdered in prison while awaiting trial in 1913. Recent investigations by writer Jordi Corominas and historian Elsa Plaza question the popular version of the black legend of Enriqueta Martí and warned about multiples misinformation, because Enriqueta "was never formally charged with murder nor was any corpse of a child found in her home".
*Jorge Ignacio Palma: known as "The Butcher"; Colombian drug trafficker linked to the murders of at least three prostitutes in Valencia between 2019 and 2020; awaiting murder trial.
*Dámaso Rodríguez Martín: known as ''El Brujo'' ("The Warlock"); serial rapist and voyeur imprisoned in 1981 after attacking a couple, killing the man and raping the woman. Escaped from prison to the Anaga mountains in 1991, where he killed two German hikers (one of them was raped); killed by police in 1991.
*José Antonio Rodríguez Vega: known as ''El Mataviejas'' ("The Old Lady Killer"), raped and killed at least sixteen elderly women, sentenced to 440 years in prison in 1995, murdered by fellow inmates in 2002.
*Abdelkader Salhi (serial killer), Abdelkader Salhi: known as "The 10 Killer"; German convicted of a robbery-murder in 1988 in Germany, later moving to Spain and allegedly murdering three prostitutes from August to September 2011; currently awaiting sentencing.
*Margarita Sánchez Gutiérrez: known as "The Black Widow of Barcelona"; poisoned family members and relatives, killing four of them; acquitted of the murders, but sentenced to 34 years for other crimes.
*Gustavo Romero Tercero: known as "The Valdepeñas Killer"; killed three people from 1993 to 1998.
*Joan Vila Dilmé: known as "The Caretaker of Olot"; nurse who poisoned at least 11 elderly patients at a nursing home in Olot; sentenced to 127 years imprisonment.
*Joaquín Villalón Díez: known as "The Gentleman Murderer"; strangled and dismembered his mistress in Andorra in 1981, and later killed two transsexuals in Madrid in 1992; sentenced to 58 years imprisonment, released in 2013.

Sweden

*Malmö Östra hospital murders, Anders Hansson: hospital orderly in Malmö who poisoned his victims with detergents Gevisol and Ivisol between October 1978 and January 1979; his actions were called the "Malmö Östra hospital murders".
*Anders Lindbäck (vicar), Anders Lindbäck: vicar who poisoned poor people with arsenic, three of them who died; committed suicide in custody in 1865.
*John Ingvar Lövgren: confessed to four murders committed between 1958 and 1963 in the Stockholm region.
*Hilda Nilsson: known as "The Angel Maker on Bruk Street"; Helsingborg baby farmer who murdered eight children; committed suicide in custody in 1917. She was the last person sentenced to death in Sweden not to be pardoned.

Switzerland

*Roger Andermatt: known as "The Death-Keeper of Lucerne"; nurse who killed twenty-two people from 1995 to 2001; sentenced to life imprisonment.
*Werner Ferrari: child killer who lured his victims from popular festivals, strangling them afterwards; sentenced to life imprisonment.
*Erich Hauert: sex offender who committed eleven rapes and three murders from 1982 to 1983; sentenced to life imprisonment; his case impacted treatment of dangerous sexual offenders in Switzerland tremendously.
*Paul Irniger: career criminal who murdered three people between 1933 and 1937; executed in 1939. Irniger was the penultimate person to be executed in Switzerland.

Taiwan

*Chang Jen-bao: murdered three women from 1993 to 2003, also sexually violating the first victim; sentenced to death.
*Chen Jui-chin: known as "The Chiayi Demon"; murdered five relatives and one girlfriend for insurance money between 1985 and 2003; also suspected in two other disappearances; executed in 2013.
*Hsu Tung-chih: murdered at least seven people in Taipei and Taimali for financial reasons, including two girlfriends, from 1976 to 1983; executed in 1984.
*Lin Yu-ju (criminal), Lin Yu-ju: fatally poisoned three relatives in Puli, Nantou, Puli to pay off gambling debts between 2008 and 2009; sentenced to death.

Thailand

*Boonpeng: known as "Boonpeng the Iron Chest"; corrupt bhikkhu who killed and dismembered between two and seven people in Bangkok from 1917 to 1918, stuffing their bodies in iron chests; executed in 1919.
*Si Ouey: Chinese immigrant who was accused of murdering between five and seven children from 1954 and 1958, cannibalizing their organs; executed in 1959. Actual guilt is highly disputed.
*Somkid Pumpuang: known as "Kid the Ripper"; transient who murdered five masseuses between January and June 2005; initially sentenced to life, released and committed a new murder in 2019, for which he was sentenced to death.
*Charles Sobhraj: known as "The Serpent"; killed at least 12 Western tourists in Southeast Asia during the 1970s; imprisoned in India and Nepal. Released in 2022.
*Nirut Sonkhamhan: known as "The Pickup Truck Killer"; poisoned nine taxi drivers around Thailand from 2011 to 2012 to steal their vehicles, killing six; hanged himself in jail before trial.

Tunisia

*Naceur Damergi: known as "The Butcher of Nabeul"; rapist who killed thirteen minors in the Nabeul region in the 1980s; executed in 1990.

Turkey

*Orhan Aksoy (serial killer), Orhan Aksoy: known as "The Parcel Killer"; strangled five people in Istanbul from 2000 to 2001, then stuffed their bodies in boxes and dumped them around the city; sentenced to life imprisonment.
*Süleyman Aktaş: known as "The Nailing Killer"; killed five people and nailed them in the eyes and head; he is kept in a psychiatric hospital.
*Adnan Çolak: known as "The Beast of Artvin"; killed seventeen elderly women in Artvin from 1992 to 1995; in 2000 he was sentenced to death six times, and 40 years in prison. However, since October 1984, Turkey has not executed any prisoners, and , Turkey does not have capital punishment.
*Seyit Ahmet Demirci: known as "The Furniture Dealers' Killer"; killed three furniture dealers selected at random and because he was sexually abused by his employer during his youth; sentenced to death.
*Özgür Dengiz: serial killer from Ankara, who killed four people and cannibalized at least one.
*Atalay Filiz: killed three people between 2012 and 2016; suspect in disappearance of his girlfriend in France; sentenced to life imprisonment.
*Ali Kaya (serial killer), Ali Kaya: known as "The Babyface Killer"; responsible for ten murders.
*Hamdi Kayapınar: known as "Avcı" ("Hunter"); killed eight people from 1994 to 2018; sentenced to life imprisonment.
*Yavuz Yapıcıoğlu: known as "The Screwdriver Killer"; responsible for at least eighteen murders between 1994 and 2002.
*Özkan Zengin: known as "The Well Driller Killer"; convicted of murdering three gay men in 2008; confessed to killing five.
*Severed leg killer: an unidentified serial killer who murdered eight people in Turkey. Between 2000 and 2001, severed legs belonging to six females and two males were found in various districts of Istanbul. Only one of the victims has been identified, and the statue of limitations on the case expired in 2021.

Ukraine

*Zaven Almazyan: known as "The Voroshilovgrad Maniac"; Russian soldier who raped and killed three women in Voroshilovgrad; executed in 1973.
*Oleksandr Berlizov: known as "The Night Demon"; sexual psychopath who raped numerous women from 1969 to 1972 in Dnipropetrovsk, killing nine of them; executed in 1972.
*Sergei Dovzhenko: killed between seventeen and nineteen people in his native Mariupol for "mocking" him; sentenced to life imprisonment.
*Tamara Ivanyutina: known as "The Kyiv Poisoner"; poisoned people from personal spite 1976 to 1987, killing nine of them; executed in 1987.
*Ruslan Khamarov: seduced and murdered eleven women in his home from 2000 to 2003; sentenced to life imprisonment.
*Oleg Kuznetsov (serial killer), Oleg Kuznetsov: known as "The Balashikha Ripper"; killed a total of ten people in Russia and Ukraine; sentenced to death, commuted to life and died in prison.
*Anatoly Onoprienko: known as "The Terminator"; murdered 52 people from 1989 until his capture in 1996; died in prison in 2013.
*Dnepropetrovsk maniacs, Viktor Sayenko and Igor Suprunyuk: known as "The Dnipropetrovsk Maniacs"; teenagers in Dnipropetrovsk who bludgeoned 21 people to death in 2007 with the aid of a third teenager, often filming their murders; sentenced to life in prison in 2009.
*Serhiy Tkach: convicted of raping and murdering 36 women between 1980 and 2005; claims the total is 100.
*Anatoliy Tymofeev: burglar who strangled at least 13 pensioners across Ukraine and Russia between 1991 and 1992; suspect in four additional murders; executed in 1996.
*Nighttime Killers, Vladyslav Volkovich and Volodymyr Kondratenko: known as "The Nighttime Killers"; charged with shooting, stabbing and bludgeoning sixteen victims to death in Kyiv between 1991 and 1997; Kondratenko committed suicide in prison during the trial; Volkovich was found guilty and sentenced to life imprisonment.

United Kingdom

England

*Stephen Akinmurele: known as "The Cul-de-sac killer"; Nigerian immigrant suspected of killing five elderly people in Blackpool and the Isle of Man between 1995 and 1998; committed suicide in prison before trial.
*Beverley Allitt: known as "The Angel of Death"; Lincolnshire paediatric nurse who killed four children in her care and injured at least nine others; sentenced to life imprisonment in 1991.
*Jonathan Balls: poisoned at least 22 people, mostly relatives, with arsenic in Happisburgh from 1824 to 1846; committed suicide prior to discovery of crimes.
*Levi Bellfield: known as "The Bus Stop Stalker"; convicted of the 2002 murder of Amanda Dowler and two fatal hammer attacks on young women in South West (London sub region), South West London in 2003 and 2004.
*London Burkers, John Bishop and Thomas Williams: known as "The London Burkers"; English copycats of Burke and Hare murders, Burke and Hare.
*Geordie Bourne: 16th-century Scottish bandit who killed seven people around the Scottish Marches, East English Marches; executed by unknown means.
*Ian Brady and Myra Hindley: known as "The Moors murders, Moors Murderers"; murdered five children, aged between 10 and 17 between 1963 and 1965. Buried at least four of their victims on Saddleworth Moor.
*Mary Ann Britland: poisoned her daughter, husband, and the wife of her lover in 1886; first woman to be executed by hanging at HM Prison Manchester, Strangeways Prison in Manchester in 1886 by executioner James Berry (executioner), James Berry.
*Paul Brumfitt: strangled two men, one in Tilbury and another in Denmark, in 1979; sentenced to life, but released in 1994, and later killed a prostitute in Woodsetton, Dudley, Woodsetton in 1999; sentenced to three life terms.
*Peter Bryan: Psychiatric hospital, institutionalized for fatal hammer attack on woman in 1993; re-apprehended for cannibalism, cannibalizing a friend in 2004, but able to batter a fellow patient to death months later.
*Beenham murders, David Burgess: Murdered three young girls in the Berkshire village of Beenham in 1966 and 1967. Only originally convicted of two murders, he was released in 1996, only to be convicted of the third murder in 2012 after new DNA evidence was found.
*John Cannan: Serial rapist and abductor of women convicted of one murder in 1987, considered to have murdered at least 2 more.
*George Chapman (murderer), George Chapman: Polish-born poisoner who murdered three women between 1897 and 1902; suspected by some authors of being Jack the Ripper. Executed in 1903.
*John Childs (murderer), John Childs: known as the most prolific hit man in the United Kingdom, he was convicted in 1979 of six contract killings, though none of the bodies have been found.
*John Christie (serial killer), John Christie: gassed, raped and strangled at least five women from 1943 to 1953, hiding the bodies at his house in Notting Hill, London; also strangled his wife Ethel, as well as the wife and baby daughter of neighbour Timothy Evans, who was wrongfully executed for their murders. Christie was himself executed in July 1953.
*Robert George Clements: doctor who committed suicide when due to be arrested for poisoning his fourth wife; his other three wives all died suspiciously during the interwar period.
*Mary Ann Cotton: Victorian era, Victorian killer; said to have poisoned more than twenty victims; hanged in 1873.
*Sidney Cooke: Described in 1999 as "Britain's most notorious paedophile", Cooke is known to have killed three boys with a group of other paedophiles and the group is suspected of murdering up to 20.
*Thomas Neill Cream: known as "The Lambeth Poisoner"; began his killing spree in the United States then moved to London; hanged in 1892.
*Dale Cregan: sentenced to a whole life order in prison for four counts of homicide in 2012 involving the use of firearms, including killing two police officers, and three separate counts of attempted murder in Greater Manchester.
*Gordon Cummins: known as "The Blackout Ripper"; murdered four women in London during the wartime blackout in 1942, and suspect in two previous murders from 1941; executed 1942.
*Peterborough ditch murders, Joanna Dennehy: stabbed three men to death and tried to kill two others selected at random in what would become known as "The Peterborough Ditch Murders" in 2013; sentenced to life in prison.
*John Duffy and David Mulcahy: known as "The Railway Killers"; killed three women near railway stations in the 1980s.
*Amelia Dyer: murdered infants in her care; executed 1896.
*Kenneth Erskine: known as "The Stockwell Strangler"; sentenced to life imprisonment in 1988 for murdering seven pensioners.
*Black Widows of Liverpool, Catherine Flannigan and Margaret Higgins: two Irish people, Irish women known as "The Black Widows of Liverpool"; killed at least four people by poisoning in the 1880s in order to obtain insurance money.
*Steven Grieveson: known as "The Sunderland Strangler"; murdered four teenage boys in City of Sunderland, Sunderland, Tyne and Wear between 1990 and 1994.
*Bradford murders, Stephen Griffiths: known as "The Crossbow Cannibal"; convicted of murdering three prostitutes in Bradford in 2009 and 2010.
*Allan Grimson: Royal Navy petty officer convicted of two murders from 1997 to 1998; suspected of murdering up to twenty people across the UK, Gibraltar and New Zealand; sentenced to life imprisonment.
*John Haigh: known as "The Acid Bath Murderer"; active during the 1940s; convicted of six murders, but claimed to have killed nine; executed in 1949.
*Anthony Hardy: known as "The Camden Town, Camden Ripper"; convicted of three murders, but suspected of up to five more; sentenced to life imprisonment, died in prison.
*Trevor Hardy: known as "The Beast of Manchester"; killed three teenage girls in Manchester from 1974 to 1976.
*Philip Herbert, 7th Earl of Pembroke, Philip Herbert: known as "The Infamous Earl of Pembroke"; 17th century nobleman convicted of manslaughter but discharged; later killed the prosecutor and pardoned for a third murder.
*Colin Ireland: known as "The Gay Slayer"; killed five gay men in London in the early 1990s; died in prison in 2012.
*Babes in the Wood murders (Epping Forest), Ronald Jebson: Paedophile responsible for the 1970 Babes in the Wood murders (Epping Forest), Babes in the Wood murders and the murder of another child, Rosemary Papper, in 1974; died in prison in 2015.
*Theodore Johnson (serial killer), Theodore Johnson: Jamaican immigrant who murdered his wife and two girlfriends from 1981 to 2016; sentenced to 26 years imprisonment.
*Kieran Patrick Kelly: Irish vagrant who pushed two men to their deaths off London's subways from 1975 to 1983, but confessed to 31 murders in total; sentenced to life imprisonment and died in prison.
*Bruce George Peter Lee: arsonist responsible for 26 deaths in the town of Kingston upon Hull, Hull from 1973 to 1979; sentenced to life imprisonment.
*Robin Ligus: drug addict convicted of robbing and bludgeoning three men to death with an iron bar in Shropshire in 1994.
*Michael Lupo: known as "The Wolf Man"; Italian-born man convicted of the murders of four men and two attempted murders in London in the 1980s; died in prison in 1995.
*Patrick Mackay: charged with the murders of five individuals in London and Kent, convicted of three; confessed to killing eleven people from 1974 to 1975.
*Mark Martin (murderer), Mark Martin: Murdered three homeless women with accomplices in Nottingham between December 2004 and January 2005.
*Robert Maudsley: known as "Hannibal The Cannibal"; killer of four; killed three in prison.
*Jordan Monaghan: killed his two children and one of his girlfriends between 2013 and 2019; sentenced to life imprisonment.
*Cannock Chase murders, Raymond Morris: known as "The A34 road, A34 Killer"; convicted of one murder, considered to have committed at least two more.
*Robert Hicks Murray: bigamist who murdered his first wife and three children, and then killed himself in a murder-suicide in 1912; posthumously connected to the killings of at least seven previous wives.
*Robert Napper: known as "The South East London Green Chain, Green Chain Rapist"; killed two women and a child in the 1990s. Sentenced to an indefinite hospital order in 2008.
*Donald Neilson: known as "The Black Panther"; killed four people, including heiress Murder of Lesley Whittle, Lesley Whittle.
*Dennis Nilsen: known as "The Muswell Hill Murderer"; killer of fifteen (possibly 16) men between 1978 and 1983 in North London.
*Colin Norris: nurse who murdered four patients in Leeds hospitals during 2002.
*William Palmer (murderer), William Palmer: known as "Palmer the Poisoner"; doctor suspected of numerous murders, convicted of one; executed 1856.
*Stephen Port: known as "The Grindr Killer"; serial rapist who drugged, raped and murdered four young men in Barking, London, Barking, London between 2014 and 2015; sentenced to life imprisonment.
*Elizabeth Ridgeway: poisoned her husband in 1684; after arrest, confessed to poisoning three more people with Mercury(II) chloride, mercuric chloride and arsenic starting from 1681; executed 1684.
*Amelia Sach and Annie Walters: known as "The East Finchley, Finchley Baby Farmers"; baby farmers who used chlorodyne to poison an unknown number of infants; both hanged at the HM Prison Holloway in 1903.
*Harold Shipman: known as "Dr. Death"; doctor convicted of fifteen murders; a later inquiry stated he had killed at least 215 and possibly up to 457 people over a 25-year period; committed suicide in 2004 in prison.
*George Joseph Smith: known as "The Brides in the Bath Killer"; murdered three women by drowning them in his bathtub; executed in 1915.
*Rebecca Smith (infanticide), Rebecca Smith: Wiltshire woman who poisoned her infant son with arsenic in 1849, later confessing to doing the same to seven of her other children; executed in 1849.
*John Straffen: murdered three children between 1951 and 1952; Britain's longest-serving prisoner until his death in 2007.
*Peter Sutcliffe: known as "The Yorkshire Ripper"; convicted in 1981 of murdering thirteen women and attacking seven more from 1975 to 1980; died in prison in 2020.
*Thomas Griffiths Wainewright: artist considered to have poisoned four people; convicted of forgery and transported to Australia, where he died.
*Margaret Waters: baby farmer from Brixton who drugged and starved the infants in her care; believed to have killed at least nineteen children; executed 1870.
*Fred West, Fred and Rose West: known as "The House of Horrors Murderers"; she was convicted of ten murders; both are believed to have tortured and murdered at least twelve young women between 1967 and 1987, many at their home in Gloucester, including their teenage daughter; he committed suicide in 1995 while awaiting trial.
*Catherine Wilson: nurse considered to have poisoned seven people in the 19th century; executed in 1862.
*Mary Elizabeth Wilson: known as "The Merry Widow of Windy Nook"; convicted of murdering two husbands by poisoning and considered to have killed two others. Sentenced to death, but reprieved. Died in prison in 1962.
*Steve Wright (serial killer), Steve Wright: known as "The Suffolk Strangler"; Ipswich 2006 serial murders, killed five women in six weeks around Ipswich in late 2006; sentenced to life imprisonment.
*Graham Young: known as "The Teacup Poisoner"; killed three people from 1962 to 1971; died in prison in 1990.

Northern Ireland

*Shankill Butchers: Ulster loyalist gang—many of whom were members of the Ulster Volunteer Force (UVF)—that was active between 1975 and 1982 in Belfast; the gang was based in the Shankill area and were responsible for the deaths of at least twenty-three people, most of whom were Irish Catholics killed in sectarian attacks. Gang leader Lenny Murphy was shot and killed by the Provisional IRA on 16 November 1982.

Scotland

*Robert Black (serial killer), Robert Black: lorry driver who killed at least four young girls across the UK between 1981 and 1986; suspected of more murders in Britain and continental Europe; died in prison (shortly before he was to be charged for Genette Tate, a fifth murder).
*Burke and Hare murders, William Burke and William Hare: notorious body snatchers in Edinburgh who killed 16 people; Burke was executed, while Hare was granted immunity and released.
*Archibald Hall: known as "The Monster Butler"; killed five in the 1970s, three with accomplice Michael Kitto; died in prison in 2002.
*Peter Manuel: known as "The Beast of Birkenshaw, North Lanarkshire, Birkenshaw"; American-born murderer of seven, suspected of killing 15; executed in 1958.
*Robert Mone: shot a schoolteacher to death in 1967, later killed a staff member and patient at Carstairs Hospital after escaping in 1976, subsequently murdered a police officer.
*Edward William Pritchard: English doctor who poisoned his wife and her mother in Glasgow in 1865; suspect in the mysterious death of his maid; executed in 1865.
*World's End Murders, Angus Sinclair: convicted of the murders of four young women, including "The World's End Murders" in Edinburgh, believed to have murdered eight; died in prison in 2019.
*Peter Tobin: rapist and killer of at least three women in Scotland and England between 1991 and 2006; sentenced to life in prison.

Wales

*John Cooper (serial killer), John Cooper: known as "The Wildman" and "The Bullseye Killer"; Pembrokeshire burglar responsible for the robbery and shotgun double-murders of a brother and sister in 1985 and a couple in 1989; sentenced to life imprisonment.
*Joseph Kappen: known as the "Saturday Night Strangler", murdered three 16-year-old girls in Llandarcy and Tonmawr near Port Talbot in 1973 and is suspected to have committed a Joseph Kappen#Suspected fourth murder, fourth murder in 1976; posthumously identified as the murderer of the three girls in 1973 after his body was exhumed and DNA testing established his DNA matched the murderer's.
*Peter Moore (serial killer), Peter Moore: known as "The Man in Black"; businessman who killed four men at random in North Wales in 1995; sentenced to life imprisonment.

United States

Uruguay

*Pablo García Cejas: known as "The Maldonado Murderer"; murdered three acquaintances between April and June 2015 in Maldonado Department; sentenced to 30 years imprisonment.
*Pablo Goncálvez: Spanish-born murderer who killed tennis player Patricia Miller (tennis), Patricia Miller's half-sister and two other women; freed in 2016 but was arrested in 2017 in Paraguay for carrying an unregistered weapon and a quantity of cocaine.

Uzbekistan

*Polatbay Berdaliyev: raped, murdered and robbed a total of eleven women in Uzbekistan and neighboring Kazakhstan with accomplice Abduseit Ormanov between 2011 and 2012; both sentenced to life imprisonment in both countries.
*Zokhid Otaboev: murdered three of his neighbors' children between 2010 and 2017 to "take revenge on them for mocking him"; sentenced to life imprisonment.

Venezuela

*Dorángel Vargas: known as "El Comegente"; killed and cannibalized ten men between 1997 and 1999 in San Cristóbal, Táchira; killed four more in prison in 2016.

Vietnam

*Lê Thanh Vân: known as "The Cyanide Witch"; poisoned at least 13 people with cyanide in order to rob them, sometimes with the help of her husband; executed 2005.

Yemen

*Abdallah al-Hubal: killed seven people in 1990 after the Yemeni reunion; fled prison and killed a young couple and three other people in 1998; killed in a shootout with the police.
*Mohammed Adam Omar: known as "The Sanaa, Sana'a Ripper"; Sudanese morgue assistant who killed between two and 51 women across Yemen and other countries from 1975 to 1999; guilt has been questioned; executed in 2001.
*Dhu Shanatir: 5th-century Himyarite ruler who molested and killed young boys; killed in self-defense by a would-be victim.

Zambia

*Mailoni Brothers: three brothers who killed at least twelve people from 2007 to 2013 in Central Province, Zambia, Central Province; killed by police in 2013.

Zimbabwe

*Richard McGown: known as "Dr. Death"; Scottish doctor responsible for administering fatal doses of morphine to at least five patients in Harare from 1986 to 1992; convicted of two counts of culpable homicide and sentenced to a year in prison, after which he was released and returned to the UK.

Unidentified serial killers

This is a list of unsolved murders which are believed to have been committed by unidentified serial killers. It includes circumstances where a suspect has been arrested, but not convicted.

Argentina

*Madman of the route: allegedly responsible for killing up to 14 prostitutes along highways near Mar de Plata from 1996 to 1999; many believe that multiple suspects, including a gang of corrupt police officers, were behind the murders.

Australia

*Bowraville Murders: murders of three Indigenous Australians, Aboriginal children in 1990 and 1991.
*The Family Murders: murder and mutilation of five young men and boys from 1979 to 1983. Bevan Spencer von Einem was convicted of one murder.
*Tynong North and Frankston Murders: murders of six women in Tynong North, Victoria, Tynong North and Frankston in 1980 and 1981.

Belgium

*Brabant killers: gang of serial killers who operated in Brabant (province), Brabant province from 1982 until 1985; murdered 28 people and injured 40.
*The Butcher of Mons: unidentified serial killer who committed five murders from January 1996 to July 1997 in Mons; Montenegrin murderer Smail Tulja is suspected of being the Butcher.

Belize

*Belize Ripper: abducted, tortured, raped and murdered five young girls in Belize City between 1998 and 2000, mutilating their bodies post-mortem.

Brazil

*Paturis Park murders: also known as the "Rainbow Maniac"; series of thirteen gunshot murders of gay men between July 2007 and August 2008 in Paturis Park in Carapicuiba.

Canada

*Highway of Tears murders, Highway of Tears: death and disappearance of around 40 young women in British Columbia since 1969.
*Toronto hospital baby deaths: deaths of at least eight babies at Toronto's Hospital for Sick Children in 1980 and 1981 were initially alleged to be digoxin poisonings, a theory which was cast into doubt by new evidence in 2010–2011.

Colombia

*Monster of the Mangones: kidnapped, raped, tortured and then murdered between 30 and 38 boys and teenagers in Cali from 1963 to the 1970s; suspected motive is clinical vampirism.

Costa Rica

*El Psicópata: killed nineteen people from 1986 to 1996 in Cartago, Costa Rica, Cartago, Curridabat and Desamparados; suspected of other similar crimes.

Finland

*Murder of Susanne Lindholm#Serial killer theory, Helsinki cellar killer: suspected of raping and strangling three women in Helsinki cellars between 1976 and 1981, including Susanne Lindholm; the validity of this theory has been disputed.
*Hausjärvi Gravel Pit Murders, Järvenpää Serial Killer: responsible for the so-called "Hausjärvi Gravel Pit Murders"; killed a woman in 1991 and suspected in the disappearance of another in 1993; possibly responsible for other abductions and murders in the late 20th century.

Germany

India

*Stoneman: responsible for thirteen murders in Kolkata in 1989.

Italy

*Monster of Florence: committed eight murders of couples in a series of sixteen between 1968 and 1985. Giancarlo Lotti and Mario Vanni were convicted of four of the murders, but this conviction has been widely criticized.
*Monster of Udine: killed at least four victims in the Province of Udine.

Japan

*Paraquat murders: series of indiscriminate poisonings carried out in 1985 where twelve people were killed.
*Shinjuku–Kabukicho Love Hotel murders: strangulations of three women in love hotels around Tokyo between March and June 1981; the murders ceased after a fourth victim survived, but the killer was never captured.
*Tokyo Metropolitan Murders: series of rapes, strangulations and burnings of mostly female victims between 1968 and 1974 in the Greater Tokyo Area; construction worker Etsuo Ono was convicted of one murder and later acquitted in a highly publicized trial, but convicted and sentenced to life imprisonment for an unrelated murder.
*Wednesday Strangler: killed seven children and women in Saga Prefecture between 1975 and 1989, most of them on Wednesdays; a suspect was indicted for three of the murders, but later acquitted.

Mexico

*Femicides in Ciudad Juárez: also known as "The dead women of Juárez"; the violent deaths of hundreds of women since 1993 in Ciudad Juárez.

Moldova

*Durlești Maniac: ambushed and shot couples around the Durlești area from 2007 to 2011, killing six people; one man was convicted for one of the murders, but was exonerated later on.

Namibia

*B1 Butcher: murdered at least five women between 2005 and 2007, with all murders related to the B1 road (Namibia), National Road B1.

Nicaragua

*San Juan del Sur Psychopath: murdered between two and ten men in the coastal town of San Juan del Sur, from 2000 to 2002; a German alien (law), illegal alien residing in Managua was arrested on suspicion, but later cleared of the murders.

Poland

*Łódź Gay Murderer: murdered seven homosexual men from 1988 to 1993 in Łódź.

Portugal

*Lisbon Ripper: murdered three women in Lisbon between 1992 and 1993.

Russia

South Africa

*Fosaville Serial Killer, Fosaville serial killer: abducted, bound and strangled 13 women near Durban from 1999 to 2013.
*Sleepy Hollow Killer: thought to be responsible for the murders of at least 13 women in the late 1990s, including three more in 2007, around Pietermaritzburg and the surrounding area.

Turkey

* Severed leg killer: murdered eight people around Istanbul from 2000 to 2001, dismembering their bodies and dumping them around the city.

United Kingdom

*Bible John: thought to be responsible for the deaths of three women in Glasgow in the late 1960s.
*Jack the Ripper: murdered prostitutes in the East End of London in 1888.
*Hammersmith nude murders, Jack the Stripper: responsible for the London "Hammersmith nude murders" between 1964 and 1965.
*Thames Torso Murders, Thames Torso Murderer: thought to be responsible for the murder and dismemberment of four women in London between 1887 and 1889.

United States

See also

*List of serial killers before 1900
*List of serial killers by number of victims
*List of terrorist incidents
*Mass murder
*Spree killer

References

{{DEFAULTSORT:List Of Serial Killers By Country
Death-related lists, serial killers
Lists of murderers, serial country
Serial killers by nationality