John O'Brien may refer to:

Public officials

American

John O'Brien (Ohio politician) John O'Brien (1932 - 1985) was a member of the Ohio House of Representatives The Ohio House of Representatives is the lower house of the Ohio General Assembly, the state legislature of the U.S. state of Ohio; the other house of the bicameral l ...

(1932–1985), former member of the Ohio House of Representatives * John D. O'Brien, state senator in the 1997–1998 Massachusetts legislature * John F. O'Brien (secretary of state) (c. 1850–1927), Secretary of State of New York, 1903–1906 * John F. O'Brien (judge) (1874–1939), New York Court of Appeals judge * John H. O'Brien, 4th Fire Commissioner of the City of New York * John J. O'Brien (civil servant) (1919–2001), investigated the assassination of President John F. Kennedy * John J. O'Brien (commissioner), former commissioner of the Massachusetts Probation Service *

John P. O'Brien John Patrick O'Brien (February 1, 1873September 22, 1951) was an Irish-American politician who served as the 98th Mayor of New York City from January 1 to December 31, 1933. Life and career O'Brien was born on February 1, 1873, to Mary and Patr ...

(1873–1951), 98th mayor of New York City * John L. O'Brien (1911–2007), American politician in the Washington House of Representatives

Irish

* John O'Brien (bishop) (died 1767), Irish Bishop of Cork and Cloyne *

John O'Brien (Irish politician) John O'Brien (6 December 1794 - 6 February 1855) was an Irish MP who represented Limerick City in the UK Parliament 1841–1852. O'Brien was the eldest son of James O'Brien of Limerick and Margaret Long, daughter of Peter Long of Waterford. Jam ...

(1794–1855), MP for Limerick City in the UK Parliament 1841–1852 * John O'Brien (priest) (1931–2008), Irish Roman Catholic priest and musician *

John Thomond O'Brien John Thomond O'Brien (1786–1861), also known in Spanish language, Spanish as Juan Thomond O'Brien, was an Argentine Army officer born in 1786 in Baltinglass, Co. Wicklow, son of Martin O'Brien dynasty, O'Brien and Honoria O'Conor, O'Connor. He ...

(1786–1861), Irish soldier in the Argentine War of Independence

British

* John O'Brien (British politician) (died 1982), far right figure, onetime leader of the British National Front *Sir

Terence O'Brien (colonial administrator) Major General Sir John Terence Nicholls O'Brien (23 April 1830 – 25 February 1903) was a surveyor, engineer and colonial governor. Born in Manchester, England, O'Brien studied at Elizabeth College, Guernsey, and then attended the Royal Milit ...

(John Terence Nicholls O'Brien, 1830–1904), British surveyor, engineer and colonial governor

Canadian

* John O'Brien (admiral) (1918–1996), commander of the Royal Canadian Navy * John O'Brien (Canadian politician) (1847–1917), merchant and member of the Legislative Assembly of New Brunswick

New Zealand

John O'Brien (New Zealand politician) John Bernard O'Brien (31 July 1925 – 12 October 1990) was a political candidate and party leader of Social Credit in New Zealand. Biography O'Brien was the Social Credit Party candidate for the Manawatu electorate in the 1957 and 1960 gener ...

(1925–1990), New Zealand political candidate and party leader

Australian

* John O'Brien (Australian politician) (1866–1932), Member of the Queensland Legislative Assembly *

John O'Brien (Australian Army officer) Major General John William Alexander O'Brien, (13 June 1908 – 27 May 1980) was a senior officer in the Australian Army during the Second World War. He was awarded the Distinguished Service Order for his service as commander of the 2/5th Fiel ...

(1908–1980), Australian major general and Mayor of Woollahra

Sportspeople

Baseball

* John O'Brien (outfielder) (1851–1914), baseball outfielder *

John O'Brien (second baseman) John Joseph O'Brien (July 13, 1866 – May 13, 1913) was a Canadian professional baseball player. He played second base in Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major profe ...

(1866–1913), baseball infielder *

Johnny O'Brien John Thomas O'Brien (born December 11, 1930) is a former backup second baseman and pitcher in Major League Baseball who played for the Pittsburgh Pirates (1953, 1955–58), St. Louis Cardinals (1958) and Milwaukee Braves (1959). O'Brien batte ...

(born 1930), 1950's baseball second baseman *

Cinders O'Brien John F. "Cinders" O'Brien ''AKA: Darby O'Brien'' (April 15, 1867 – March 11, 1892) was a Major League Baseball pitcher from to . He played with the Cleveland Infants, Cleveland Spiders, and Boston Reds. He had a 3.68 ERA at the end of his care ...

(John F. O'Brien, 1867–1892), baseball pitcher

Footballers

* John O'Brien (Dublin footballer), senior inter-county Gaelic footballer for Dublin and Round Towers, Clondalkin *

John O'Brien (Louth footballer) John O'Brien (born 12 October 1985) is a retired Louth GAA, Louth inter-county gaelic footballer. At club level he represents Dundalk team Seán O'Mahony's GFC, Seán O'Mahony's. Inter-county Having previously played for his county at minor an ...

(born 1985), Gaelic footballer for Louth *

John O'Brien (soccer) Jonathan Patrick O'Brien (born August 29, 1977) is an American former soccer player. After retiring, he pursued a career in psychology. O'Brien was one of the first Americans to earn a starting spot with a major European team, with Ajax Amsterd ...

(born 1977), American soccer player * Jon O'Brien (born 1961), English footballer

Other sports

John O'Brien (basketball, born 1888) John J. O'Brien (born November 4, 1888 – December 9, 1967) was an American basketball referee and administrator. Born in Brooklyn, New York, he was involved in organizing several early professional basketball leagues. In 1925, he founded Metropol ...

(1888–1967), American basketball referee and executive * John O'Brien (basketball, born 1916) (1916–1994), American professional basketball player in the 1940s * John O'Brien (boxer) (1937–1979), Scottish boxer of the 1960s and '70s * John O'Brien (cricketer, born 1961), English cricketer * John O'Brien (Irish cricketer) (1866–1920), Irish cricketer *

John O'Brien (hurler) John O'Brien (born 3 January 1982) is an Irish hurler who played as a centre-forward for the Tipperary senior team. Born in Toomevara, County Tipperary, O'Brien first arrived on the inter-county scene at the age of seventeen when he first link ...

(born 1982), Irish hurler *

John O'Brien (rower) John O'Brien (1 June 1927 – 25 February 1995) was a New Zealand representative rower. At the 1950 British Empire Games he won the gold medal as part of the men's coxed four. At the 1952 Summer Olympics The 1952 Summer Olympics ( fi, Kesä ...

(1927–1995), New Zealand representative rower *

John O'Brien (tennis) John O'Brien (born 6 July 1932) is an Australian tennis player active during the 1950s and 1960s. O'Brien was also one of the 18 hostages in the 2014 Sydney hostage crisis. Tennis career O'Brien played the first of ten Australian Championships ...

(born 1932), Australian tennis player and hostage in the 2014 Sydney hostage crisis * John O'Brien (water polo) (1931–2020), Australian Olympic water polo player *John

Ambrose O'Brien John Ambrose O'Brien (May 27, 1885 – April 24, 1968) was a Canadian industrialist and sports team owner. He was a founder of the National Hockey Association (NHA), owner of the Renfrew Millionaires and the founding owner of the Montreal Canad ...

(1885–1968), founding owner of the Montreal Canadiens ice hockey team *

John O'Brien (businessman) John O'Brien is an English businessman and an expert advisor to Australian governments and the Clean technology, cleantech sector. He is a Partner with Deloitte Financial Advisory and leads the firm's Energy Transition and Decarbonisation work i ...

, British businessman

Other people

John O'Brien (marine artist) John O'Brien (1831–1891) was a Canadian marine artist. He excelled at ship portraits combined with dramatic storm scenes. Career John Daniel O’Connell O'Brien (named for the Irish “Liberator,” Daniel O’Connell) is believed to have been b ...

(1831–1891), Canadian marine artist * John O'Brien, the original name of stage actor

John T. Raymond John T. Raymond (1836-1887), whose original name was John O'Brien, was an American stage actor, born in Buffalo, New York, on August 5, 1836; he died in Evansville, Indiana on April 10, 1887. His first appearance was made on June 27, 1853, at a ...

(1836–1887) *

John O'Brien (poet) Monsignor Patrick Joseph Hartigan (13 October 1878 – 27 December 1952) was an Australian Roman Catholic priest, educator, author and poet, writing under the name John O'Brien. Biography Born at Yass, New South Wales Patrick Joseph Hartigan st ...

(1878–1952), Australian priest, poet and author *

John B. O'Brien John B. "Jack" O'Brien (December 13, 1884 – August 15, 1936) was an American actor and film director of the silent era. He appeared in more than 80 films between 1909 and 1936. He also directed 53 films between 1914 and 1926. Biography O' ...

(1884–1936), American actor and director * John O'Brien (publisher), Irish American publisher and academic *

John O'Brien (novelist) John O'Brien (May 21, 1960 – April 10, 1994) was an American author. His first novel, ''Leaving Las Vegas'', was published in 1990 by Watermark Press and made into a film of the same name in 1995. Life and career O'Brien was born in Oxford, ...

(1960–1994), American author * John O'Brien (filmmaker) (born 1962), Vermont film director *

John O'Brien (advocate) John O'Brien is a leading thinker who has written widely in the field of disability. He is a pioneer and lifelong advocate of Person Centred Planning. To this end, he was co-developer of two models for person centred planning, namely the McGill A ...

, disability inclusion advocate and writer * John O'Brien (screenwriter), screenwriter of ''

Fireflies The Lampyridae are a family (biology), family of Elateroidea, elateroid beetles with more than 2,000 described species, many of which are bioluminescence, light-emitting. They are soft-bodied beetles commonly called fireflies, lightning bugs, ...

'' and ''K-9'' * John Roger O'Brien (1903–1982), birth name of

Jack O'Brien (jazz pianist) Jack "Bones" O'Brien ''(né'' John Roger O'Brien; 16 October 1903 – 12 October 1982) was an American jazz pianist and songwriter from Allentown, Pennsylvania. Notably, O'Brien was pianist, composer, and arranger with the Ted Weems orchestra f ...