O
- (Wassa Amenfi East) Oforikrom
- (Prestea-Huni Valley) Ohiansheda
- (Wassa Amenfi West) Owusu
- (Prestea-Huni Valley) Owurakese
- (Prestea-Huni Valley) Owurakese
- (Mpohor/Wassa East) Owuochi
- (Aowin/Suaman) Oubunu
- (Mpohor/Wassa East) Otodum
- (Mpohor/Wassa East) Oseneso
- (Mpohor/Wassa East) Oseneso
- (Wassa Amenfi East) Opon Valley
- (Wassa Amenfi East) Oponso Kakraba
- (Aowin/Suaman) Omanpe
- (Wassa Amenfi East) Ohiankwanta
- (Wassa Amenfi Central) Onyamebekyere
- (Wassa Amenfi West) Odumase
- (Aowin/Suaman) Odumasi
- (Prestea-Huni Valley) Odumasi
- (Mpohor/Wassa East) Odumase
- (Prestea-Huni Valley) Odumasi
- (Secondi Takoradi) Odumasi
- (Mpohor/Wassa East) Odikuro Akura
- (Wassa Amenfi East) Oda
- (Mpohor/Wassa East) Obuasi
- (Nzema East) Obopo
- (Wassa Amenfi West) Oboasi
- (Wassa Amenfi Central) Obin
- (Mpohor) Obirikrom
- (Aowin/Suaman) Osei-Curve Kesem
- (Aowin/Suaman) Oponkrom