Ogaden
Ogambi
Ogan
Ogar
Ogbah
Ogbakiri
Ogbe Ijo
Ogbe-Oke
Ogbe-Sale
Ogbia
Ogbogolo
Ogboin
Ogbronuagum
Ogbru
Òge
Ogea
Ogh Awarrangg
Oghuz
Oghuz-Kipchak-Uyghur
Oghuz (Udi)
Ogliastrino
Ogoko
Ogonoid
Ogowe
Ogua
Ogugu
Ogugu (Western Okpamheri)
Ogulagha
Oguta
Ohuhu
Oiba
Oibu
Oil
Oirat
Oirata
Oirat-Kalmyk-Darkhat
Oirat-Khalkha
Ōita-ben
Oiyapoque
Oja
Ojhi
Ojibwa
Ojibwa-Potawatomi
Ojila
Ojirami
Ojitlán Chinantec
Ojo
Oju
Ok
Oka
Glottolog Languoid Names