Cook Island
# Cook Island

Cook Island may refer to:

* Cook Island of Kiritimati, Kiribati
* Cook Island (New South Wales), an island
   * Cook Island Aquatic Reserve, a marine protected area in New South Wales
   * Cook Island Nature Reserve, a protected area in New South Wales
* Cook Island, South Sandwich Islands, central island in Southern Thule
* "Cook Island" is the adjectival demonym for people and things from the Cook Islands
