JJ
JJ or jj may refer to:
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Arts and entertainment
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Film and television
- J. J. Evans, a character in the 1970s sitcom Good Times
- Jennifer Jareau 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
Music
- JJ (Swedish band)
- JJ, a band featuring English singer Jan Johnston
- 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
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- JJ (singer) (born 2001), winner of Eurovision 2025, Austrian singer-songwriter Johannes Pietsch
- Jökull Júlíusson (born 1990), Icelandic singer-songwriter
- JJ Lin (born 1981), Singaporean artist
- Jermaine Jenas (born 1983), English footballer
- John Jay (1756–1829), American diplomat and judge
- Junaid Jamshed or JJ (1964–2016), Pakistani religious figure
- Justo Justo 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 (born Jyrki Juhani Järvilehto, 1966), Finnish motor racing driver
- J. J. McCarthy (born 2003), American football player
- JJ Pegues (born 2001), American football player
- J. J. Valberg (born 1936), British-American philosopher
- J. J. Webster (1898–1965), American politician
- Joanna Jędrzejczyk or JJ (born 1987), Polish MMA fighter
- Janez Janša, former Slovenian prime minister
Other uses
- Jj coupling, a form of angular momentum coupling
- JJ, a brassiere measurement in the UK
- LATAM Brasil, formerly TAM Airlines (IATA code JJ)
- J/Z (New York City Subway service), formerly JJ
- JJ, abbreviation for plural judges, justices
- Template:JRLS, rapid trains on the Jōban Line in Japan
- Jilly Juice, a fermented drink and a form of alternative medicine
- John Jay Hall, a dormitory at Columbia University
See also
- Jay Jay the Jet Plane, a children's television cartoon series
- Jay Jay, a 2003 Tamil film
- Jay-J (born 1969), American house music disc jockey
- Double J (disambiguation)
- J & J (disambiguation)
- JJS (disambiguation)
- GG (disambiguation)
- JJJ (disambiguation)