Ossa
- Albert Ondo Ossa
- Battle of Ossa
- Lake Ossa
- Mount Ossa (Greece)
- Mount Ossa (Tasmania)
- Mount Ossa National Park
- OSSA (disambiguation)
- Osa (disambiguation)
- Osobłoga
- Ossa (motorcycle)
- Ossa (mythology)
- Ossa cave
- Ossa, Larissa
- Ossa, Masovian Voivodeship
- Ossa, Opoczno County
- Ossa, Rawa County
- Ossa, Thessaloniki
- Osse (disambiguation)