O-wen-k`o

Oa

Obonya

Ocaina

Occidental

Occitan (post-1500)

Occitan, Old (to 1500)

Ocuiltec

O'dam

Oderiga

Odschi

Ofo

Ofogoula

Ofunobwam

Ogbronuagum

Ogoni (Kana)

Ogori

Ogori-Magongo

Ogori-Osayen

ÖGS (Sign language)

Ohlone

Oiampi

Oirat

Oirat (Turkic)

Ojibwa

Ojo

Okam

Okanagan

Okeina

Okii

Okinagan

Oko

Oko-Eni-Osayen

Okpele

Oksapmin

Oktengban

Oku

Okwasar

Olane

Olcha

Old Anatolian Turkish

Old Bactrian (Avestan)

Old Belarusian

Old Bulgarian (to 1100)

Old Church Slavic

Old Czech

Old Danish

Old Dutch

Old East Slavic

Old English

Old French

Old Frisian

Old High German

Old Icelandic (to 1550)

Old Indic

Old Irish

Old Italian

Old Javanese

Old Khmer (Kui)

Old Khotanese

Old Low Franconian

Old Low German (ca. 850-1050)

Old Moshi

Old Newari

Old Norse

Old Norwegian (to 1350)

Old Nubian (to 1300)

Old Occitan (to 1500)

Old Ottoman Turkish

Old Persian (ca. 600-400 B.C.)

Old Provençal (to 1500)

Old Prussian

Old Russian

Old Saxon

Old Slovenian

Old Spanish

Old Swedish

Old Turkic

Old Turkish

Old Ukrainian

Old Uzbek

Old Welsh (to 1100)

Ollari

Olo

Oluluyia

Olunyaneka

Ólusaamya

Olusamia

Omaha

Ometo

Omie

Oneida

Ongbe

Ono

Onondaga

Opata

Orak Lawoi'

Orang Laut (Indonesia)

Orang Laut (Thailand and Malaysia)

Oraon

Oratta-Ikwerri

Ordos

Orejón

Oria

Oriya

Orlei

Orma

Ormuri

Oroch

Orochon

Orokaiva

Orokolo

Oromo

Oron

Oroqen

Oru

Orya

Osage

Osanyen

Osanyin

Osayen

Oseti

Oshindonga

Oshiwambo

Osi

Osikom

Osmanli

Ossete

Ossetian

Ossetic

Österreichische Gebärdensprache

Ostiak

Ostiak Samoyed

Osukam

Otchipwe

Othomi

Oti

Oto

Otomi

Otomian languages

Ottawa

Ottoman Turkish

Ottoman Turkish, Old

Oturkpo

Oubykh

Ouldémé

Ouobe

Ouolof

Ovambo (Kuanyama)

Ovambo (Ndonga)

Ovimbundu

Oyampi

Oyrat

See also:

Index to Language Names