JJK may refer to:
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JJK Jyväskylä, a Finnish football team from the city of Jyväskylä
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John "Julius" Knight
John "Julius" Knight, sometimes known as JJK, is an American house music producer, remixer and DJ.
Born in New York City, Knight started DJing in clubs in NY and Boston, before releasing his first EP, ''Knighttime Funk'', in 1996 on Marc Pomer ...
, American musician
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Jesper Kyd
Jesper Kyd Jakobson (; born 3 February 1972) is a Danish composer and sound designer who has worked on various video game, television, and film projects. He has composed soundtracks for the ''Hitman'' series, ''Assassin's Creed'' series, '' Bord ...
, Danish video game composer
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Jacqueline "Jackie" Joyner-Kersee, American former heptathlon athlete
*''
Jujutsu Kaisen'', a Japanese manga series by Gege Akutami
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Jeon Jungkook, the lead singer of K-pop group BTS
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