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 player J. K. Rowling, pen name of Joanne Rowling (born 1965), British author, producer, and philanthropist 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 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 JK, a Jeep Wrangler model 2007–2018 See also Just Kidding (disambiguation)