Cook Island

{{wiktionary|Cook Islands}}

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