Occitan (post 1500)
O'chi'chi'
Od
Odia
Odiai
Odoodee
O'du
Odual
Odut
Ofayé
Ofo
Ogbah
Ogbia
Ogbogolo
Ogbronuagum
Ogea
Ohlone, Northern
Ohlone, Southern
Oirat
Oirata
Oirat, Written
Ojibwa
Ojibwa, Central
Ojibwa, Eastern
Ojibwa, Northwestern
Ojibwa, Severn
Ojibwa, Western
Okanagan
Okiek
Okinawan, Central
Oki-No-Erabu
Okobo
Okodia
Oko-Eni-Osayen
Oko-Juwoi
Okolod
Okpamheri
Okpe (Northwestern Edo)
Okpe (Southwestern Edo)
Oksapmin
Oku
Olekha
Olkol
Olo
Oloma
Olrat
Olu'bo
Olukhayo
Olulumo-Ikom
Oluluyia
ISO 639-3 Inverted Names