ISO 639:o

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This is a list of ISO 639-3 language codes starting with O.

Index | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z

Abbreviations are used in the table as follows:

Deprecated codes are enclosed in (parentheses).[3]

The column Family contains the generic English name of the language's family or macrolanguage.

ISO 639 codes Scope/Type Family Language names
639-3 639-1 639-2/B Native ISO name
oaa I/L Orok
oac I/L Oroch
oak I/L Indo-European নোয়াখাইল্লা Noakhali; Noakhailla
oar I/H Afro-Asiatic Ancient Aramaic (up to 700 BCE); Old Aramaic (up to 700 BCE)
oav I/H Northeast Caucasian اوار ماض Old Avar
obi I/E Obispeño
obk I/L Southern Bontok
obl I/L Oblo
obm I/H Moabite
obo I/L Obo Manobo
obr I/H Sino-Tibetan Old Burmese
obt I/H Indo-European old brezhoneg Old Breton
obu I/L Obulom
oca I/L Ocaina
(occ) I/C Occidental
och I/H Sino-Tibetan Old Chinese
oci oc oci I/L Indo-European occitan Occitan (post 1500)
ocm I/H Austronesian Old Cham
oco I/H Indo-European old Kernewek Old Cornish
ocu I/L Atzingo Matlatzinca
oda I/L Odut
odk I/L Od
odt I/H Indo-European *thiudisc Old Dutch
odu I/L Odual
ofo I/E Ofo
ofs I/H Indo-European Frīsesk Old Frisian
ofu I/L Efutop
ogb I/L Ogbia
ogc I/L Ogbah
oge I/H Kartvelian ႤႬႠჂ ႵႠႰႧႭჃႪႨ Old Georgian
ogg I/L Ogbogolo
(ogn) I/L Ogan
ogo I/L Khana
ogu I/L Ogbronuagum
oht I/H Indo-European 𒌷𒉌𒅆𒇷 Old Hittite
ohu I/H Uralic Old Hungarian
oia I/L Oirata
oie I/L Nilo-Saharan Okolie
oin I/L Inebu One
ojb I/L Anishinaabemowin (Ojibwemowin) Northwestern Ojibwa
ojc I/L Anishinaabemowin (Ojibwemowin) Central Ojibwa
ojg I/L Nishnaabemwin (Jibwemwin) Eastern Ojibwa
oji oj oji M/L Cree ᐊᓂᔑᓇᐯᒧᐎᓐ (Anishinaabemowin) Ojibwa
ojp I/H Japonic 上代日本語; 大和言葉 Old Japanese
ojs I/L ᐊᓂᔑᓂᓂᒧᐎᓐ (Anishininiimowin) Severn Ojibwa
ojv I/L Ontong Java
ojw I/L Anihšināpēmowin (Nakawēmowin) Western Ojibwa
oka I/L Okanagan
okb I/L Okobo
okc I/L Niger–Congo Kobo
okd I/L Okodia
oke I/L Okpe (Southwestern Edo)
okg I/E Koko Babangk
okh I/L Koresh-e Rostam
oki I/L Nilo-Saharan? Okiek Okiek
okj I/E Oko-Juwoi
okk I/L Kwamtim One
okl I/E village sign Old Kentish Sign Language
okm I/H Middle Korean (10th-16th cent.)
okn I/L Oki-No-Erabu
oko I/H Koreanic Silla(n); 고대 조선어; 고대 한국어 Old Korean (3rd-9th cent.)
okr I/L Kirike
oks I/L Oko-Eni-Osayen
oku I/L Oku
okv I/L Orokaiva
okx I/L Okpe (Northwestern Edo)
okz I/H Austroasiatic Old Khmer
ola I/L Walungge
olb I/L Niger–Congo? Oli-Bodiman
old I/L Mochi
ole I/L Sino-Tibetan? / isolate? Olekha
olk I/E Olkol
olm I/L Oloma
olo I/L Livvi
olr I/L Olrat
olt I/H Indo-European old lietuvių Old Lithuanian
olu I/L Niger–Congo Kuvale
oma I/L Omaha-Ponca
omb I/L East Ambae
omc I/E Mochica
(ome) I/E spurious language Omejes
omg I/L Omagua
omi I/L Omi
omk I/E Omok
oml I/L Ombo
omn I/H unclassified Minoan
omo I/L Utarmbung
omp I/H Sino-Tibetan ꯃꯩꯇꯩꯂꯣꯟ Old Manipuri
omr I/H Indo-European 𑘦𑘨𑘰𑘙𑘲 Old Marathi
omt I/L Omotik
omu I/E Omurano
omw I/L South Tairora
omx I/H Austroasiatic ဘာသာမန် Old Mon
omy I/H Austronesian Old Malay
ona I/L Ona
onb I/L Lingao
one I/L Onʌyota’a:ka Oneida
ong I/L Olo
oni I/L Onin
onj I/L Onjob
onk I/L Kabore One
onn I/L Onobasulu
ono I/L Onǫta’kéka’ Onondaga
onp I/L Sino-Tibetan But(pa) Sartang
onr I/L Northern One
ons I/L Ono
ont I/L Ontenu
onu I/L Unua
onw I/H Eastern Sudanic Old Nubian
onx I/L Onin Based Pidgin
ood I/L O'odham Tohono O'odham
oog I/L Austroasiatic Ong
oon I/L Önge
oor I/L Oorlams
oos I/H Indo-European Old Ossetic
opa I/L Okpamheri
(ope) I/H Old Persian
opk I/L Kopkaka
opm I/L Oksapmin
opo I/L Opao
opt I/E Opata
opy I/L Ofayé
ora I/L Oroha
orc I/L Orma
ore I/L Orejón
org I/L Oring
orh I/L Oroqen
ori or ori M/L Indo-European ଓଡ଼ିଆ Oriya (macrolanguage)
(ork) I/L Orokaiva
orm om orm M/L Afro-Asiatic Oromoo Oromo
orn I/L Orang Kanaq
oro I/L Orokolo
orr I/L Oruma
ors I/L Orang Seletar
ort I/L Adivasi Oriya
oru I/L Indo-European اورموړی Ormuri
orv I/H Indo-European Old Russian
orw I/L Oro Win
orx I/L Oro
ory I/L Odia; Oriya (individual language)
orz I/L Ormu
osa osa I/L 𐓏𐓘𐓻𐓘𐓻𐓟 Osage
osc I/H Oscan
osd I/L Indo-European дигорон ӕвзаг Digor Ossetic; Digor; Digor Ossetian
osi I/L Osing
osn I/H Austronesian ᮘᮞ ᮞᮥᮔ᮪ᮓ ᮘᮥᮠᮥᮔ᮪ Old Sundanese
oso I/L Ososo
osp I/H Indo-European romançe Old Spanish
oss os oss I/L Indo-European Ирон ӕвзаг Iron Ossetic; Iron; Iron Ossetian; Ossetian; Ossetic
ost I/L Osatu
osu I/L Southern One
osx I/H Indo-European Sahsisk Old Saxon
ota ota I/H لسان عثمانى Ottoman Turkish (1500-1928)
otb I/H Sino-Tibetan Old Tibetan
otd I/L Ot Danum
ote I/L Mezquital Otomi
oti I/E Oti
otk I/H Turkic Old Turkish
otl I/L Tilapa Otomi
otm I/L Eastern Highland Otomi
otn I/L Tenango Otomi
otq I/L Querétaro Otomi
otr I/L Otoro
ots I/L Estado de México Otomi
ott I/L Temoaya Otomi
otu I/E Otuke
otw I/L Nishnaabemwin (Daawaamwin) Ottawa
otx I/L Texcatepec Otomi
oty I/H Dravidian Old Tamil
otz I/L Ixtenco Otomi
oua I/L Tagargrent
oub I/L Glio-Oubi
oue I/L Oune
oui I/H Turkic Old Uighur
oum I/E Ouma
(oun) I/L ǃOǃung
ovd I/L Indo-European Elfdalian; Övdalian
owi I/L Owiniga
owl I/H Indo-European Hen Gymraeg Old Welsh
oyb I/L Austroasiatic The Oy
oyd I/L Oyda
oym I/L Wayampi
oyy I/L Oya'oya
ozm I/L Koonzime

References

  1. ^ "Scope of denotation for language identifiers". Archived from the original on December 31, 2024. Retrieved June 17, 2025.
  2. ^ "Types of individual languages". Archived from the original on January 4, 2025. Retrieved June 17, 2025.
  3. ^ "Deprecated Language Codes". Retrieved October 19, 2025.

Sources

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