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 (1895–1986), 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

Businesses and organisations

 * J. K. Organisation, an Indian industrial conglomerate
 * JK Lasers, a British laser manufacturer
 * J. K. College, in Purulia district, West Bengal, India
 * JK Public School, in Humhama, Srinagar, Jammu and Kashmir, India
 * Spanair, a Spanish airline, IATA airline code JK

Other uses

 * Jammu and Kashmir (disambiguation)
 * Jammu and Kashmir (union territory), a region administered by India as a union territory (ISO 3166-2 code)
 * 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
 * JK, a Jeep Wrangler model 2007–2018