Jeff King may refer to:
- Jeff King (mushing) (born 1956), American multiple winner of the Iditarod Trail Sled Dog Race
- Jeff King (baseball) (born 1964), American major league baseball player
- Jeff F. King, Canadian television producer and screenwriter
- Jeff King (bodybuilder), American bodybuilder and former title holder of the Universe Championships
- Jeff King (football manager), English football manager and club-owner
- Jeff King (American football) (born 1983), American football player
- Jeff King (Navajo) (1865–1964), Native American singer (medicine man)
- Jeff King (jockey), British steeplechase rider from the 1960s–'80s
- Jeff King (politician) (born 1975), Republican member of the Kansas House of Representatives
- Jeff King (footballer) (born 1995), English footballer
- Jeffrey King (politician) (1940–2020), Canadian politician, lawyer and priest
- Jeffrey C. King, American philosopher