Jak or JAK may refer to:
People JAK, pen name of British cartoonist Raymond Jackson (1927–1997) Jak Airport (born Jack Stafford; 1958–2004), English guitarist Jak Alnwick (born 1993), English football goalkeeper Jak Crawford (born 2005), American racing driver Jak Jones (born 1993), Welsh professional snooker player Jak Knight (1993–2022), American actor, comedian and writer Jak Orion, stage name used by Australian musician Jack Moffitt in 2010 Jak Roberto (born 1993), Filipino actor, model, dancer and singer José Antonio Kast (born 1966), Chilean politician also known by his initials JAK
Fictional characters Jak (Jak and Daxter), in Jak and Daxter video games Jak (comics), in the UK comic book The Dandy
Other uses Ják, a village in Hungary JAK members bank, a Swedish interest-free bank Janus kinase, a family of intracellular, nonreceptor tyrosine kinases including Janus kinase 1 (JAK1) Janus kinase 2 (JAK2) Janus kinase 3 (JAK3)
See also Jack (disambiguation) Jaks, a list of people with the surname