Cocos Island is an island designated as a National Park off the shore of Costa Rica, that does not allow inhabitants other than Costa Rican Park Rangers. It constitutes the 11th of the 13 districts of Puntarenas Canton of the province of Puntarenas. It is located in the Pacific Ocean, approximately from the Pacific shore of Costa Rica. With an area of approximately , about and a perimeter of around , this island is more or less rectangular in shape.

Island(s) called Cocos or Coco include the following:
Cocos:

• Cocos Island, off the Pacific coast of Costa Rica (Spanish: Isla del Coco)
• Cocos Island (Panama), in the Pearl Islands, Gulf of Panama (Spanish: Isla de Cocos)
• Cocos (Keeling) Islands, a territory of Australia in the Indian Ocean
• Cocos Island (Guam), one mile off the southern tip of Guam
• Île aux Cocos, off Rodrigues, Mauritius