Otoro
Otsho
Ottawa
Ottawa based (Pidgin)
Ot Tuhup
Otuho
Otuke
Otvai
Ouapadoupou
Ouargli-Temacine
Ouarkoye
Ouatourou-Niasogoni
Ouedghir
Ouen
Ouhiguyua
Oujda
Oujiang
Ouled Djemma
Ouma
Oumic
Ounge
Outer Central Sarawak
Outer-Eastern Tamang
Outer Enga
Outer Indus Kohistani
Outer Nimboranic
Outer Seraji
Outer South Ethiopic
Ouzal
Overhill-Middle Cherokee
Owa
Owari
Owe
Owe (Isoko)
Owenia
Owerri
Owiniga
Oxyrhynchite
Oy
Oyana
Oya'oya
Oyda
Oyede
Oyiakiri
Oyin
Oykangand
Oyo
Oyokom
Oyster Bay-Big River-Little Swanport
Ozolotepec Zapotec
Glottolog Languoid Names