Nigéria
Países do mundo
O
- (Obi) Okpaga
- (Oturkpo) Ojantele
- (Oturkpo) Opirikwu
- (Obi) Ochinebe
- (Oturkpo) Okpokwu
- (Oturkpo) Otada
- (Gwer East) Okukukwu
- (Oturkpo) Oko
- (Oju) Oyiwo
- (Oturkpo) Omebe
- (Oju) Obotu
- (Obi) Ochinyini
- (Oju) Oyiwo
- (Gwer East) Odugh
- (Oturkpo) Oturkpo
- (Oturkpo) Okpaobeka
- (Oturkpo) Obelogba
- (Gwer East) Ogbum
- (Oturkpo) Ogomo
- (Obi) Okwuhungbe
- (Obi) Odiapa
- (Obi) Obini
- (Obi) Okotumgbe
- (Obi) Okotungbe
- (Obi) Ojo
- (Kogi) Oko
- (Lokoja) Okomoba
- (Ijumu) Ogidi Kabba
- (Kabba/Bunu) Okedayo
- (Owan East) Ohame