ISO 639:o

ISO 639 3字母代碼表：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
下表為 ISO 639-2, ISO 639-3, ISO 639-5 的一份或多份標準中，所採用的3字母（又稱alpha-3）語言代碼。
備註
SIL: “Ethnologue”第14版代碼；已被 ISO 639-3 (“Ethnologue”第15版）取代
(b): 只用在 ISO 639-2/B，不收錄在 ISO 639-3
(c): ISO 639-2 集合語言，未必屬同一語族，不收錄在 ISO 639-3 和 ISO 639-5
(d): deprecated, 已棄用代碼
(f): ISO 639-5 語系和語群代碼
(g): group of languages, ISO 639-2 諸語言，同時收錄在 ISO 639-5；不收錄在 ISO 639-3。
(m): 該語言同時被劃分為多種小語言
(r): others 或 rest of languages, ISO 639-2 「其他」類語言，在使用 ISO 639-2 時，供沒有 ISO 639-2 的語言使用，同時收錄在 ISO 639-5；不收錄在 ISO 639-3。
(rc): 曾出現在 ISO 639-3 ，但現被改為其他代碼
(rd): remove duplicates, 與其他代碼重複而被棄用
(rm): remove merged, 已與其他代碼合併
(rn): remove nonexistent, 此代碼所代表的語言不存在，已被取消
(rs): remove split, 此語言被拆分為多種語言，另行編碼
表中使用的縮寫如下：
Scope：I = 獨立語種；M = 巨集語言, S = 特殊編碼
Type：A = 古代語言（ancient，通常指該語言已於古代滅絕）、C = 人工語言（Constructed language）、E = 已滅絕（extinct，指近代才滅絕的語言）, H = 歷史語言（英语：）（該語言已演化為其他現代語言）、L = 現代語言（英语：）（Living）、S = 特殊編碼
已不再使用的代碼被標記於(括號)中。
「分類」一欄包含該語言的語言分類或巨集語言之通用英文名稱。
| 639-3 | 639-1 | 639-2B | Scope/Type | 分類 | 原名 | 英語 | 法語 | 西語 | 漢語 | 俄語 | 德語 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| oaa  |  |  | I/L |  |  | Orok |  |  | 鄂罗克语 |  |  |
| oac  |  |  | I/L |  |  | Oroch |  |  | 鄂罗奇语 |  |  |
| oar  |  |  | I/A |  |  | Aramaic, Old |  |  | 古阿拉米语 |  | Altaramäisch |
| oav  |  |  | I/H |  |  | Avar, Old |  |  | 古阿瓦尔语 |  |  |
| obi  |  |  | I/E |  |  | Obispeño |  |  |  |  |  |
| obk  |  |  | I/L |  |  | Southern Bontok |  |  |  |  |  |
| obl  |  |  | I/L |  |  | Oblo |  |  |  |  |  |
| obm  |  |  | I/A |  |  | Moabite |  |  | 摩押语 |  |  |
| obo  |  |  | I/L |  |  | Manobo, Obo |  |  |  |  |  |
| obr  |  |  | I/H |  |  | Burmese, Old |  |  | 古缅甸语 |  | Altburmesisch |
| obt  |  |  | I/H |  |  | Breton, Old |  |  | 古布列塔尼语 |  | Altbretonisch |
| obu  |  |  | I/L |  |  | Obulom |  |  |  |  |  |
| oca  |  |  | I/L |  |  | Ocaina |  | ocaina |  |  |  |
| (occ)  |  |  |  |  |  | Occidental |  |  |  |  |  |
| och  |  |  | I/A | Chinese |  | Old Chinese |  |  | 上古漢語 |  | Altchinesisch |
| oci  | oc | oci | I/L | Indo-European | occitan | Occitan (post 1500) | occitan (après 1500) | occitano | 奥克西唐语; 奥克西坦语; 奥克语 | окситанский | Okzitanisch |
| oco  |  |  | I/H |  |  | Cornish, Old |  |  | 古康沃尔语 |  |  |
| ocu  |  |  | I/L |  |  | Matlatzinca, Atzingo |  |  |  |  |  |
| oda  |  |  | I/L |  |  | Odut |  |  |  |  |  |
| odk  |  |  | I/L |  |  | Od |  |  |  |  |  |
| odt  |  |  | I/H |  |  | Dutch, Old |  |  | 古荷兰语 |  |  |
| odu  |  |  | I/L |  |  | Odual |  |  |  |  |  |
| ofo  |  |  | I/E |  |  | Ofo | ofo |  |  |  |  |
| ofs  |  |  | I/H | Friesisch |  | Frisian, Old |  |  | 古弗里西亚语 |  | Altfriesisch |
| ofu  |  |  | I/L |  |  | Efutop |  |  |  |  |  |
| ogb  |  |  | I/L |  |  | Ogbia |  |  |  |  |  |
| ogc  |  |  | I/L |  |  | Ogbah |  |  |  |  |  |
| oge  |  |  | I/H |  |  | Georgian, Old |  |  | 古格鲁吉亚语 |  | Altgeorgisch |
| ogg  |  |  | I/L |  |  | Ogbogolo |  |  |  |  |  |
| (ogn)  |  |  |  |  |  | Ogan |  |  |  |  |  |
| ogo  |  |  | I/L |  |  | Khana |  |  |  |  |  |
| ogu  |  |  | I/L |  |  | Ogbronuagum |  |  |  |  |  |
| oht  |  |  | I/A |  |  | Hittite, Old |  |  | 古赫梯语 |  |  |
| ohu  |  |  | I/H |  |  | Hungarian, Old |  |  | 古匈牙利语 |  |  |
| oia  |  |  | I/L |  |  | Oirata |  |  |  | оирата |  |
| oin  |  |  | I/L |  |  | One, Inebu |  |  |  |  |  |
| ojb  |  |  | I/L |  | Anishinaabemowin (Ojibwemowin) | Ojibwa, Northwestern |  |  |  |  |  |
| ojc  |  |  | I/L |  | Anishinaabemowin (Ojibwemowin) | Ojibwa, Central |  |  |  |  |  |
| ojg  |  |  | I/L |  | Nishnaabemwin (Jibwemwin) | Ojibwa, Eastern |  |  |  |  |  |
| oji  | oj | oji | M/L | Cree | ᐊᓂᔑᓇᐯᒧᐎᓐ (Anishinaabemowin) | Ojibwa | ojibwa | ojibwa | 奥吉布瓦语 | оджибва |  |
| ojp  |  |  | I/H |  |  | Japanese, Old |  |  | 古日语 |  |  |
| ojs  |  |  | I/L |  | ᐊᓂᔑᓂᓂᒧᐎᓐ (Anishininiimowin) | Ojibwa, Severn |  |  |  |  |  |
| ojv  |  |  | I/L |  |  | Ontong Java |  |  |  |  | Ontong Java |
| ojw  |  |  | I/L |  | Anihšināpēmowin (Nakawēmowin) | Ojibwa, Western |  |  |  |  |  |
| oka  |  |  | I/L |  |  | Okanagan |  |  |  |  |  |
| okb  |  |  | I/L |  |  | Okobo |  |  |  |  |  |
| okd  |  |  | I/L |  |  | Okodia |  |  |  |  |  |
| oke  |  |  | I/L |  |  | Okpe (Southwestern Edo) |  |  |  |  |  |
| okg  |  |  | I/E |  |  | Koko Babangk |  |  |  |  |  |
| okh  |  |  | I/L |  |  | Koresh-e Rostam |  |  |  |  |  |
| oki  |  |  | I/L |  |  | Okiek |  |  |  |  |  |
| okj  |  |  | I/E |  |  | Oko-Juwoi |  |  |  |  |  |
| okk  |  |  | I/L |  |  | One, Kwamtim |  |  |  |  |  |
| okl  |  |  | I/E |  |  | Old Kentish Sign Language |  |  | 古肯特手语 |  |  |
| okm  |  |  | I/H |  |  | Korean, Middle (10th–16th centuries) |  |  | 中古朝鲜语 |  | Mittelkoreanisch |
| okn  |  |  | I/L |  |  | Oki-No-Erabu |  |  | 冲永良部岛琉球语 |  |  |
| oko  |  |  | I/H |  |  | Korean, Old (3rd–9th centuries) |  |  | 古朝鲜语 |  | Altkoreanisch |
| okr  |  |  | I/L |  |  | Kirike |  |  |  |  |  |
| oks  |  |  | I/L |  |  | Oko-Eni-Osayen |  |  |  |  |  |
| oku  |  |  | I/L |  |  | Oku |  |  |  |  |  |
| okv  |  |  | I/L |  |  | Orokaiva |  |  |  |  |  |
| okx  |  |  | I/L |  |  | Okpe (Northwestern Edo) |  |  |  |  |  |
| ola  |  |  | I/L |  |  | Walungge |  |  |  |  |  |
| old  |  |  | I/L |  |  | Mochi |  |  |  |  |  |
| ole  |  |  | I/L |  |  | Olekha |  |  |  |  |  |
| olk  |  |  | I/E |  |  | Olkol |  |  |  |  |  |
| olm  |  |  | I/L |  |  | Oloma |  |  |  |  |  |
| olo  |  |  | I/L |  |  | Livvi |  |  |  |  |  |
| olr  |  |  | I/L |  |  | Olrat |  |  |  |  |  |
| olt  |  |  | I/H | Indo-European |  | Old Lithuanian |  |  |  |  |  |
| olu  |  |  | I/L | Niger–Congo |  | Kuvale |  |  |  |  |  |
| oma  |  |  | I/L |  |  | Omaha-Ponca | omaha-ponca | omaha-ponca |  |  |  |
| omb  |  |  | I/L |  |  | Ambae, East |  |  |  |  |  |
| omc  |  |  | I/E |  |  | Mochica |  |  |  |  |  |
| (ome)  |  |  | I/E |  |  | Omejes |  |  |  |  |  |
| omg  |  |  | I/L |  |  | Omagua |  | omagua |  |  |  |
| omi  |  |  | I/L |  |  | Omi |  |  |  |  |  |
| omk  |  |  | I/E |  |  | Omok |  |  |  |  |  |
| oml  |  |  | I/L |  |  | Ombo |  |  |  |  |  |
| omn  |  |  | I/A |  |  | Minoan |  |  |  |  |  |
| omo  |  |  | I/L |  |  | Utarmbung |  |  |  |  |  |
| omp  |  |  | I/H |  |  | Manipuri, Old |  |  | 古曼尼普尔语 |  |  |
| omr  |  |  | I/H |  |  | Marathi, Old |  |  | 古马拉地语 |  |  |
| omt  |  |  | I/L |  |  | Omotik |  |  |  |  |  |
| omu  |  |  | I/E |  |  | Omurano |  | omurano |  |  |  |
| omw  |  |  | I/L |  |  | Tairora, South |  |  |  |  |  |
| omx  |  |  | I/H |  |  | Mon, Old |  |  | 古孟语 |  |  |
| ona  |  |  | I/L |  |  | Ona |  |  |  |  |  |
| onb  |  |  | I/L |  |  | Lingao |  |  | 临高语 |  |  |
| one  |  |  | I/L |  | Onʌyota’a:ka | Oneida | oneida | oneida | 奥内达语 |  |  |
| ong  |  |  | I/L |  |  | Olo |  |  |  |  |  |
| oni  |  |  | I/L |  |  | Onin |  |  |  |  |  |
| onj  |  |  | I/L |  |  | Onjob |  |  |  |  |  |
| onk  |  |  | I/L |  |  | One, Kabore |  |  |  |  |  |
| onn  |  |  | I/L |  |  | Onobasulu |  |  |  |  |  |
| ono  |  |  | I/L |  | Onǫta’kéka’ | Onondaga | onondaga | onondaga |  |  |  |
| onp  |  |  | I/L |  |  | Sartang |  |  |  |  |  |
| onr  |  |  | I/L |  |  | One, Northern |  |  |  |  |  |
| ons  |  |  | I/L |  |  | Ono |  |  |  |  |  |
| ont  |  |  | I/L |  |  | Ontenu |  |  |  |  |  |
| onu  |  |  | I/L |  |  | Unua |  |  |  |  |  |
| onw  |  |  | I/H |  |  | Nubian, Old |  |  | 古努比亚语 |  |  |
| onx  |  |  | I/L |  |  | Onin Based Pidgin |  |  |  |  |  |
| ood  |  |  | I/L |  | O'odham | Tohono O'odham | papago | pápago |  | тогоно о'одам | Tohono O'odham |
| oog  |  |  | I/L |  |  | Ong |  |  |  |  |  |
| oon  |  |  | I/L |  |  | Önge |  |  |  |  |  |
| oor  |  |  | I/L |  |  | Oorlams |  |  |  |  |  |
| oos  |  |  | I/A |  |  | Ossetic, Old |  |  | 古奥塞梯语 |  |  |
| opa  |  |  | I/L |  |  | Okpamheri |  |  |  |  |  |
| (ope)  |  |  |  |  |  | Old Persian |  |  |  |  |  |
| opk  |  |  | I/L |  |  | Kopkaka |  |  |  |  |  |
| opm  |  |  | I/L |  |  | Oksapmin |  |  |  |  |  |
| opo  |  |  | I/L |  |  | Opao |  |  |  |  |  |
| opt  |  |  | I/E |  |  | Opata |  | ópata |  |  |  |
| opy  |  |  | I/L |  |  | Ofayé |  |  |  |  |  |
| ora  |  |  | I/L |  |  | Oroha |  |  |  |  |  |
| orc  |  |  | I/L |  |  | Orma |  |  |  |  |  |
| ore  |  |  | I/L |  |  | Orejón |  | orejón |  |  |  |
| org  |  |  | I/L |  |  | Oring |  |  |  |  |  |
| orh  |  |  | I/L |  |  | Oroqen |  |  | 鄂伦春语 |  |  |
| ori  | or | ori | M/L | Indo-European | ଓଡ଼ିଆ | Oriya | oriya | oriya | 奥利亚语; 奥里亚语 | ория | Oriya |
| (ork)  |  |  |  |  |  | Orokaiva |  |  |  |  |  |
| orm  | om | orm | M/L | Afro-Asiatic | Oromoo | Oromo | galla | oromo | 奥罗莫语 | оромо | Oromo |
| orn  |  |  | I/L |  |  | Orang Kanaq |  |  |  |  |  |
| oro  |  |  | I/L |  |  | Orokolo |  |  |  |  |  |
| orr  |  |  | I/L |  |  | Oruma |  |  |  |  |  |
| ors  |  |  | I/L |  |  | Orang Seletar |  |  |  |  |  |
| ort  |  |  | I/L |  |  | Oriya, Adivasi |  |  |  |  |  |
| oru  |  |  | I/L |  |  | Ormuri |  |  |  |  |  |
| orv  |  |  | I/H |  |  | Russian, Old |  |  | 古俄语 |  |  |
| orw  |  |  | I/L |  |  | Oro Win |  | oro win |  |  |  |
| orx  |  |  | I/L |  |  | Oro |  |  |  |  |  |
| ory  |  |  | I/L |  |  | Oriya (individual language) |  |  |  |  |  |
| orz  |  |  | I/L |  |  | Ormu |  |  |  |  |  |
| osa  |  | osa | I/L |  |  | Osage | osage | osage | 奥萨格语 | оседжи |  |
| osc  |  |  | I/A |  |  | Oscan | osque | osco | 奥斯坎语 | оскский | Oskisch |
| osi  |  |  | I/L |  |  | Osing |  |  |  |  |  |
| oso  |  |  | I/L |  |  | Ososo |  |  |  |  |  |
| osp  |  |  | I/H |  |  | Spanish, Old |  |  | 古西班牙语 |  |  |
| oss  | os | oss | I/L | Indo-European | иронау | Ossetian | ossète | oseto | 奥塞梯语; 奥塞提语 | осетинский | Ossetisch |
| ost  |  |  | I/L |  |  | Osatu |  |  |  |  |  |
| osu  |  |  | I/L |  |  | One, Southern |  |  |  |  |  |
| osx  |  |  | I/H |  |  | Saxon, Old |  |  | 古撒克逊语 |  |  |
| ota  |  | ota | I/H |  | لسان عثمانى | Turkish, Ottoman (1500–1928) | Turc ottoman | Turco-otomano | 奥斯曼土耳其语 | старотурецкий | Osmanisch |
| otb  |  |  | I/H |  |  | Tibetan, Old |  |  | 古藏语 |  |  |
| otd  |  |  | I/L |  |  | Dohoi |  |  |  |  |  |
| ote  |  |  | I/L |  |  | Otomi, Mezquital |  |  |  |  |  |
| oti  |  |  | I/E |  |  | Oti |  |  |  |  |  |
| otk  |  |  | I/H |  |  | Turkish, Old |  |  | 古突厥语 |  |  |
| otl  |  |  | I/L |  |  | Otomi, Tilapa |  |  |  |  |  |
| otm  |  |  | I/L |  |  | Otomi, Eastern Highland |  |  |  |  |  |
| otn  |  |  | I/L |  |  | Otomi, Tenango |  |  |  |  |  |
| otq  |  |  | I/L |  |  | Otomi, Querétaro |  |  |  |  |  |
| otr  |  |  | I/L |  |  | Otoro |  |  |  |  |  |
| ots  |  |  | I/L |  |  | Otomi, Estado de México |  |  |  |  |  |
| ott  |  |  | I/L |  |  | Otomi, Temoaya |  |  |  |  |  |
| otu  |  |  | I/E |  |  | Otuke |  |  |  |  |  |
| otw  |  |  | I/L |  | Nishnaabemwin (Daawaamwin) | Ottawa | ottawa |  |  |  |  |
| otx  |  |  | I/L |  |  | Otomi, Texcatepec |  |  |  |  |  |
| oty  |  |  | I/A |  |  | Tamil, Old |  |  | 古泰米尔语 |  |  |
| otz  |  |  | I/L |  |  | Otomi, Ixtenco |  |  |  |  |  |
| oua  |  |  | I/L |  |  | Tagargrent |  |  |  |  |  |
| oub  |  |  | I/L |  |  | Glio-Oubi |  |  |  |  |  |
| oue  |  |  | I/L |  |  | Oune |  |  |  |  |  |
| oui  |  |  | I/H |  |  | Uighur, Old |  |  | 回鹘语 |  |  |
| oum  |  |  | I/E |  |  | Ouma |  |  |  |  |  |
| (oun)  |  |  | I/L |  |  | !O!ung |  |  |  |  |  |
| ovd  |  |  | I/L | Indo-European |  | Elfdalian, Övdalian |  |  |  |  |  |
| owi  |  |  | I/L |  |  | Owiniga |  |  |  |  |  |
| owl  |  |  | I/H |  |  | Welsh, Old |  |  | 古威尔士语 |  |  |
| oyb  |  |  | I/L |  |  | Oy |  |  |  |  |  |
| oyd  |  |  | I/L |  |  | Oyda |  |  |  |  |  |
| oym  |  |  | I/L |  |  | Wayampi |  | wayampi |  |  |  |
| oyy  |  |  | I/L |  |  | Oya'oya |  |  |  |  |  |
| ozm  |  |  | I/L |  |  | Koonzime |  |  |  |  |  |