Mount Ossa may refer to: Mount Ossa (Greece), a mountain in Greece also known as Kissavos; Mount Ossa (Tasmania), a mountain in Tasmania; Mount Ossa National Park, a park in Australia
Ossa may refer to: Lake Ossa, Littoral Province, Cameroon; Mount Ossa (Greece) — Greece, also known as Kissavos; Mount Ossa (Tasmania) — Tasmania, Australia