Regions of Nigeria
- Ojogun
- Ojogbede
- Ojoemo
- Ojo-Egba
- Ojobo
- River Ojoba
- Ojo-Aro
- Ojo-Agba
- River Ojo
- Ojo
- Ojo
- Ojo
- Ojo
- Ojo
- Ojo
- Ojo
- Ojo
- Ojjor
- Oji River Settlement
- Oji River
- Ojiri
- Ojirami Oke
- Ojirami Ogbo
- Ojirami
- Ojinato
- Ojiguo
- Ojigagala
- Ojiegbe
- Ojiegbe
- Ojibawo
- Ojiama
- River Oji
- Oji
- Oji
- Ojete
- Ojete
- Ojerinde
- Ojerim
- Ojere
- Ojenike
- Ojelebawa
- Ojekwe
- Ojeke
- Ojediran
- Ojedele
- Ojedeji
- Ojebode
- Ojebeyo
- Ojeba
- Ojeaga
- River Oje
- River Oje Eletun
- Oje
- Oje
- Oje
- Oje
- Oje
- Ojatitun
- Ojassa
- Oja Sale
- Oja Pedepo
- Ojaota
- Oja-Odan
- Ojantelle
- Ojale
- Oja-Iyelu
- Oja-Ituko
- Ojagemo
- Oja-Fagbo
- Oja
- Oja
- Oiyona River
- Oinyi River
- River Ohunwan
- Ohunru
- Ohunfumi
- Ohunene
- River Ohun
- Ohumola
- Ohumle
- Ohunbe Forest Reserve
- Ohunbe
- Ohum
- Ohuhu-Nsulu
- Ohuada
- Ohu
- Ohozotto
- Ohoro
- Ohoro
- Uokhuelen-Ohordua
- Ohong
- Ohokobe Ndume
- Ohoke
- Ohoile
- Ohoh
- Ohogua
- Ohoghobi
- Ohofia-Agba
- Ohoba
- Ohoba
- Ohizen Katurou
- Ohit
- Ohio
- Ohinki
- River Ohina
- Ohike
- Ohijo
- Ohia River
- Ohia
- River Ohi
- Ohere
- Ohen
- Ohekelem
- Ohebo
- Ohe
- Oheze-Naka
- Oha Obu
- Ohanze
- Ohankwu
- Ohana
- Ohambele
- Ohali-Achi
- Ohakite
- Ohaifo
- Ohagulode
- Ohafia-Ifigh
- Ohafia
- Ohachikwe
- Ohabiam
- River Oha
- River Oha
- Oha
- Oha
- Oha
- Ogwafia
- Ugwuma
- Ogwu
- Ogwonichi
- Ogwogbo
- Ogwo
- Ogwe
- Ogwati
- Ogwashi-Uku-Junction
- Ogwashi-Uku
- Ogwashi-Olor
- River Ogwa
- Ogwaje Abaji
- Ogwa
- Oguzuruonweya
- Ogute
- Oguta Lake
- Oguta
- Ogusu
- Ogurugu
- Ogurude
- Ogurube
- Oguro
- Oguro
- Oguro
- Ogura
- Ogunyemi
- Ogunwo Olu
- Ogunwole
- Ogunwobe
- Ogunwenyi
- Ogunwehinde
- Ogunu
- Oguntoye
- Ogunti
- Oguntedo
- Oguntedo
- Oguntedo
- Ogunte
- Ogunte
- Ogunte
- Ogunta
- Ogun State
- Ogunsolu
- Ogunsola
- Ogunsipe
- Ogunsina
- Ogunsina
- Ogunsekan
- Ogunrin Eletu
- Ogunrinde
- Ogunranti
- River Ogunpa
- Ogun-Oke
- Ogunniyi
- Ogunmola-Oke
- Ogunmakin
- Ogunlumo
- Ogunlore
- Ogunlola
- Ogunloko
- Ogunleye
- Ogunleye
- Ogunleye
- Ogunlere
- Ogunleke