Guinea is a term Berber which means "land of the blacks". It can refer to:
States
- Guinea, a state ofWest Africa
- Guinea-Bissau, a West African state
- Equatorial Guinea, a state ofCentral Africa
- Papua New Guinea, a state in Oceania, consisting of the eastern part of the island of New Guinea
Regions
- Gulf of Guinea, a gulf of the Atlantic in West Africa
- Guinea, a region in the Gulf of Guinea
- New Guinea, an island in the Pacific Ocean
- Western New Guinea, is the western part of the island of New Guinea