JJ or jj may refer to:

Arts and entertainment

Film and television

* J. J. Evans, a character in the 1970s sitcom ''Good Times'' *

Jennifer Jareau This is a list of characters in the television series ''Criminal Minds'', an American police procedural drama which premiered September 22, 2005, on CBS and concluded its original run on February 19, 2020. It is also shown on A&E (TV network), A& ...

or JJ, a character in ''Criminal Minds'' * John Diggle Jr., a character in ''Arrow'' nicknamed "J.J." * JJ DiMeo, a character in '' Speechless'' * Jean-Jacques Leroy, a character in '' Yuri on Ice'' * JJ Jones (''Skins''), a character in the British teen drama ''Skins'' * "JJ" (''Skins'' series 3), an episode of ''Skins'' series 3 * "JJ", an episode of ''Skins'' series 4 * JJ, the production code for the 1967 ''Doctor Who'' serial ''

The Macra Terror ''The Macra Terror'' is the completely missing seventh serial of the fourth season in the British science fiction television series ''Doctor Who'', which was first broadcast in four weekly parts from 11 March to 1 April 1967. In this serial, th ...

Music

* JJ (Swedish band) * JJ, a band featuring English singer

Jan Johnston Jan Johnston (born 13 October 1968, Salford, England) is an English professional singer & songwriter, best known for collaborating with some of the world's top trance music DJs and producers. Career In the early 1990s, she was signed to Colu ...

* '' J.J.!'', an album by J. J. Johnson * "J.J.", a song on the soundtrack of the video game '' L.A. Noire'' * Abbreviation for Latin Jesu Juva, used by Johann Sebastian Bach at the beginning of his compositions

Other media

* ''JJ'' (magazine), a fashion magazine * ''JJ'' (video game), a video game developed and published by Square Co., Ltd.

People

JJ (singer) Johannes Pietsch (; born 29 April 2001), also known by his stage name JJ, is an Austrian singer-songwriter. He won the Eurovision Song Contest 2025 for Austria with the song " Wasted Love". Early life Pietsch was born on 29 April 2001 in Vienna ...

(born 2001), winner of Eurovision 2025, Austrian singer-songwriter Johannes Pietsch * Jökull Júlíusson (born 1990), Icelandic singer-songwriter *

JJ Lin Wayne Lim Junjie (; born 27 March 1981), professionally known as JJ Lin, is a Singaporean singer, songwriter, record producer, and businessman. One of the most successful artists in the Sinophone, Chinese-speaking world, Lin achieved recogniti ...

(born 1981), Singaporean artist * Jermaine Jenas (born 1983), English footballer *

John Jay John Jay (, 1745 – May 17, 1829) was an American statesman, diplomat, signatory of the Treaty of Paris (1783), Treaty of Paris, and a Founding Father of the United States. He served from 1789 to 1795 as the first chief justice of the United ...

(1756–1829), American diplomat and judge *

Junaid Jamshed Junaid Jamshed Khan (3 September 1964 – 7 December 2016) was a Pakistani Islamic preacher, singer-songwriter and television personality. Jamshed first gained nationwide and international recognition as the vocalist of Vital Signs. Their ...

or JJ (1964–2016), Pakistani religious figure *

Justo Justo Panfilo Cagoco Justo (September 21, 1941 – May 18, 2012), widely known as Justo Justo, or simply JJ, was a Filipino people, Filipino columnist and Pasay city councilor. He was known as a flamboyant HIV/AIDS, AIDS activist. Early life Justo c ...

or JJ (1941–2012), Filipino columnist and news presenter * J. J. Eubanks (born 1968), American basketball player * JJ Kaplan (born 1997), American-Israeli basketball player *

JJ Lehto Jyrki Juhani Järvilehto (; born 31 January 1966), commonly known as JJ Lehto, is a Finnish former racing driver and broadcaster, who competed in Formula One from to . In sportscar racing, Lehto won the American Le Mans Series in 2004 and is a ...

(born Jyrki Juhani Järvilehto, 1966), Finnish motor racing driver *

J. J. McCarthy Jonathan James McCarthy (born January 20, 2003) is an American professional American football, football quarterback for the Minnesota Vikings of the National Football League (NFL). He was selected tenth overall by the Vikings in the 2024 NFL dra ...

(born 2003), American football player *

JJ Pegues Jeremiah J'veon "JJ" Pegues (; born November 25, 2001) is an American professional football defensive tackle for the Las Vegas Raiders of the National Football League (NFL). He played college football for the Auburn Tigers and the Ole Miss Rebel ...

(born 2001), American football player * J. J. Valberg (born 1936), British-American philosopher * J. J. Webster (1898–1965), American politician *

Joanna Jędrzejczyk Joanna Jędrzejczyk (, born August 18, 1987) is a Polish former professional mixed martial artist, Muay Thai fighter and kickboxer. Jędrzejczyk competed in the Ultimate Fighting Championship (UFC), where she holds several records and is a forme ...

or JJ (born 1987), Polish MMA fighter *

Janez Janša Ivan Janša (; born 17 September 1958), better known as Janez Janša (), is a Slovenian politician who served three times as a prime minister of Slovenia, a position he had held from 2004 to 2008, from 2012 to 2013, and from 2020 to 2022. Since ...

, former Slovenian prime minister

Other uses

* Jj coupling, a form of

angular momentum coupling In quantum mechanics, angular momentum coupling is the procedure of constructing eigenstates of total angular momentum out of eigenstates of separate angular momenta. For instance, the orbit and spin of a single particle can interact through spi ...

* JJ, a

brassiere measurement Bra size (also known as brassiere measurement or bust size) indicates the size characteristics of a bra to accurately fit the breasts. While there are a number of bra sizing systems in use around the world, the bra sizes usually consist of a num ...

in the UK *

LATAM Brasil LATAM Airlines Brasil, formerly TAM Linhas Aéreas, is the Brazilian brand of LATAM Airlines Group operating international and domestic flights from hubs in Brasília, Fortaleza, and São Paulo. According to the National Civil Aviation Agency of ...

, formerly TAM Airlines (IATA code JJ) *

J/Z (New York City Subway service) The J Nassau Street Local and Z Nassau Street Express are two rapid transit services in the B Division (New York City Subway), B Division of the New York City Subway. Their route emblems, or "bullets", are colored since they use the BMT Nassau ...

, formerly JJ * JJ, abbreviation for plural

judge A judge is a person who wiktionary:preside, presides over court proceedings, either alone or as a part of a judicial panel. In an adversarial system, the judge hears all the witnesses and any other Evidence (law), evidence presented by the barris ...

s, justices * , rapid trains on the

Jōban Line The is a railway line in Japan operated by the East Japan Railway Company (JR East). The line officially begins at Nippori Station in Arakawa, Tokyo before the line officially ends at Iwanuma Station in Iwanuma, Miyagi. However, following ...

in Japan * Jilly Juice, a fermented drink and a form of alternative medicine *

John Jay Hall John Jay Hall is a 15-story building located on the southeastern extremity of the Morningside Heights campus of Columbia University in New York City, on the northwestern corner of 114th St. and Amsterdam Avenue. Named for Founding Father, ''The ...