JK

JK may refer to:

People

Jay Kay (Jason Luís Cheetham, born 1969), English musician and lead singer of Jamiroquai
Jaykae (Janum Khan, born 1991), English rapper and actor
JK-47 (Jacob Paulson, born 1991/1992), Indigenous Australian rapper and musician
JK (rapper) or Tiger JK (Seo Jung-kwon, born 1974), South Korean-American rapper and record producer
J.K. (singer) (Marta Simlat, born 1970), Polish model and singer
Jason King (presenter) (born 1975), British radio and TV presenter, part of JK and Joel
Jesper Kyd (born 1972), or JK, Danish video game composer
John McKay Jr. (John Kenneth McKay, born 1953), known as JK, American football player and attorney
Jordan Katembula (born 1978), known professionally as JK, Zambian singer
Joseph Kevin Bracken (1852–1904), known as J. K. Bracken, founder of the Gaelic Athletic Association
Jiddu Krishnamurti Indian Philosopher, Speaker and Writer
Jungkook (born 1997), or JK, South Korean singer
Juscelino Kubitschek (1902–1976), or JK, president of Brazil 1956–1961
- JK Building in Belo Horizonte, Brazil
- JK Memorial in Brasilia, Brazil
J. K. Dobbins (J'Kaylin Dobbins, born 1998), known as JK, American football running back
J. K. Ihalainen (born 1957), Finnish poet
J. K. Rowling, pen name of Joanne Rowling (born 1965), British author, producer, and philanthropist
J. K. Scott (John Kimball Scott III, born 1995), known as JK, American football punter
J. K. Simmons (born 1955), American actor

JK, an abbreviation of Jammu and Kashmir
JK (TV series), a 2006 Brazilian series about Juscelino Kubitschek
Jk antigen, or Kidd antigen system
JK business, the practice of compensated dating with high school girls (joshi kōsei) in Japanese culture
JK flip-flop, an electronic circuit
Jan Kjellström International Festival of Orienteering, or JK, a British orienteering competition
Järnkaminerna, or JK, supporter club of Djurgårdens IF
Junior kindergarten: See Kindergarten § Canada
JK, a Jeep Wrangler model 2007–2018