Cocos may refer to:
- Cocos (genus), a plant genus with the coconut as its only accepted species
- Cocos Lagoon, south of Guam
- Cocos (Keeling) Islands
- Cocos Malays, an ethnic group inhabiting the Cocos (Keeling) Islands
- Cocos Plate, a tectonic plate beneath the Pacific Ocean
- Battle of Cocos, 1914 naval battle near the Cocos (Keeling) Islands
- Orang Cocos, an ethnic group in Malaysia descended from Cocos Malay immigrants