Nigèria

O

• (Oluyole) Osonde
• (Abeokuta North) Osi-Mola
• (Osisioma Ngwa) Oso Okwa
• (Ona Ara) Osin
• (Odogbolu) Ososa
• (Ideato North) Osina
• (Akoko-Edo) Ososo
• (Ikole) Osin-Ikole
• (Ifo) Ososun
• (Eket) Osiok
• (Olorunsogo) Osowuelegan Iju
• (Ndokwa East) Ossissa-Stat
• (Ogbaru) Osomari
• (Ugwunagbo) Osusu Aku
• (Ibaji) Ota
• (Abua/Odual) Otaba
• (Kabba/Bunu) Otafun
• (Ogo Oluwa) Otamakun
• (Izzi) Otamnkaliki
• (Isuikwuato) Otampa
• (Obokun) Otan-Ile
• (Konshisha) Otape
• (Nembe) Otatubu
• (Ori Ire) Ote
• (Akinyele) Oteda
• (Ughelli South) Otor-Edo
• (Asa) Ote-Etile
• (Ethiope East) Otefe
• (Atiba) Otefon
• (Abeokuta North) Otegbade