Ghana
Países del mundo
O
- (Lawra) Oribili
- (Amansie West) Old Atwedee
- (Akuapim North) Old Mangoasi
- (Shai Osudoku District) Old Nigo
- (Zabzugu/Tatale) Old Nyankpala
- (Wenchi) Old Subinso
- (East Akim) Old Tafo
- (Wa West) Oli
- (Shai Osudoku District) Omainkope
- (Twifo Ati-Morkwa) Omandemro
- (Aowin/Suaman) Omanpe
- (Nadowli) Ombo
- (Agona West) Omen Bobikuma
- (Tatale) Ongoni
- (Assin South) Ongwa
- (Asante Akim North) Ongwama
- (Ga West) Onibi
- (Assin South) Onsunyamiye
- (Fanteakwa) Onuku
- (Agona East) Onumabo
- (Yilo Krobo) Onumaku
- (Bosomtwe) Onwi
- (Ejisu Juaben) Onwi
- (Ajumako/Enyan/Essiam) Onyadzi
- (Gomoa West) Onyadzi
- (Upper West Akim) Onyamichire
- (Ga West) Onyasena
- (Asante Akim North) Onyimso
- (Kwahu East) Onyimso
- (Ga West) Opa