O
- (Nnewi South) Otolo
- (Idemili North) Odida
- (Ogbaru) Odekpe
- (Idemili North) Obosi
- (Anambra West) Obodola
- (Anaocha) Obeledu
- (Awka North) Oba-Umulokpe
- (Ogbaru) Odugiri Obagwe
- (Idemili South) Oba-Aboji
- (Idemili South) Oba
- (Orumba North) Ogbunu
- (Orumba South) Onen
- (Ogbaru) Orifta
- (Nnewi North) Okofia
- (Nnewi North) Okofia
- (Nnewi South) Otolo
- (Ogbaru) Ogbekuma
- (Nnewi South) Ozu
- (Ogbaru) Obene
- (Ihiala) Ogene
- (Nnewi South) Orsumeyin
- (Ihiala) Orkija
- (Ihiala) Osu-Umuezekpe
- (Ihiala) Orsumoghu
- (Ihiala) Ogboro
- (Ogbaru) Ochuche-Umuodo
- (Ogbaru) Omoaokogbo
- (Ogbaru) Otuta
- (Ogbaru) Ogu-Ikpele
- (Ogbaru) Obagwe II