King Island

King Island, Kings Island or King's Island may refer to:

Australia
 * King Island (Queensland)
 * King Island, at Wellington Point, Queensland
 * King Island (Tasmania)
 * King Island Council, the local government area that contains the Tasmanian island

Canada
 * King Island (British Columbia)
 * King Island (Nunavut)
 * King Island (Saskatchewan)
 * King Island, Newfoundland and Labrador, a settlement

United States
 * King Island (Alaska)
 * King Island (California)
 * Kings Island (California)
 * King's Island (Connecticut)
 * King's Island (Pennsylvania)
 * Kings Island, amusement park in Mason, Ohio

Elsewhere
 * King Island, Burma, in the Mergui Archipelago
 * King Island (New Zealand), island off the north coast of the North Island
 * King's Island, Limerick, Ireland, an area of Limerick city
 * King Peninsula, Antarctica, originally believed to be an island ("King Island") but later discovered to be a peninsula