| 639-1 | 639-2 | 639-3 | Language name | Native name | comment |
| aa | aar | aar | Afar | Afaraf |
|
| ab | abk | abk | Abkhazian | Аҧсуа |
|
| ae | ave | ave | Avestan | avesta |
|
| af | afr | afr | Afrikaans | Afrikaans |
|
| ak | aka | aka + 2 | Akan | Akan |
|
| am | amh | amh | Amharic | አማርኛ |
|
| an | arg | arg | Aragonese | Aragonés |
|
| ar | ara | ara + 30 | Arabic | العربية | Standard Arabic is [arb] |
| as | asm | asm | Assamese | অসমীয়া |
|
| av | ava | ava | Avaric | авар мацӀ; магӀарул мацӀ |
|
| ay | aym | aym + 2 | Aymara | aymar aru |
|
| az | aze | aze + 2 | Azerbaijani | azərbaycan dili |
|
| ba | bak | bak | Bashkir | башҡорт теле |
|
| be | bel | bel | Belarusian | Беларуская |
|
| bg | bul | bul | Bulgarian | български език |
|
| bh | bih | -- | Bihari | भोजपुरी | collective language code for Bhojpuri, Magahi, and Maithili |
| bi | bis | bis | Bislama | Bislama |
|
| bm | bam | bam | Bambara | bamanankan |
|
| bn | ben | ben | Bengali | বাংলা |
|
| bo | tib/bod | bod | Tibetan | བོད་ཡིག |
|
| br | bre | bre | Breton | brezhoneg |
|
| bs | bos | bos | Bosnian | bosanski jezik |
|
| ca | cat | cat | Catalan | Català | Also called Valencian |
| ce | che | che | Chechen | нохчийн мотт |
|
| ch | cha | cha | Chamorro | Chamoru |
|
| co | cos | cos | Corsican | corsu; lingua corsa |
|
| cr | cre | cre + 6 | Cree | ᓀᐦᐃᔭᐍᐏᐣ |
|
| cs | cze/ces | ces | Czech | česky; čeština |
|
| cu | chu | chu | Church Slavic | ѩзыкъ словѣньскъ |
|
| cv | chv | chv | Chuvash | чӑваш чӗлхи |
|
| cy | wel/cym | cym | Welsh | Cymraeg |
|
| da | dan | dan | Danish | dansk |
|
| de | ger/deu | deu | German | Deutsch |
|
| dv | div | div | Divehi | ދިވެހި |
|
| dz | dzo | dzo | Dzongkha | རྫོང་ཁ |
|
| ee | ewe | ewe | Ewe | Ɛʋɛgbɛ |
|
| el | gre/ell | ell | Greek | Ελληνικά |
|
| en | eng | eng | English | English |
|
| eo | epo | epo | Esperanto | Esperanto |
|
| es | spa | spa | Spanish | español; castellano |
|
| et | est | est | Estonian | Eesti keel |
|
| eu | baq/eus | eus | Basque | euskara |
|
| fa | per/fas | fas + 2 | Persian | فارسی |
|
| ff | ful | ful + 9 | Fulah | Fulfulde |
|
| fi | fin | fin | Finnish | suomen kieli |
|
| fj | fij | fij | Fijian | vosa Vakaviti |
|
| fo | fao | fao | Faroese | Føroyskt |
|
| fr | fre/fra | fra | French | français; langue française |
|
| fy | fry | fry + 3 | Western Frisian | Frysk |
|
| ga | gle | gle | Irish | Gaeilge |
|
| gd | gla | gla | Scottish Gaelic | Gàidhlig |
|
| gl | glg | glg | Galician | Galego |
|
| gn | grn | grn + 5 | Guaraní | Avañe'ẽ |
|
| gu | guj | guj | Gujarati | ગુજરાતી |
|
| gv | glv | glv | Manx | Ghaelg |
|
| ha | hau | hau | Hausa | هَوُسَ |
|
| he | heb | heb | Hebrew | עברית |
|
| hi | hin | hin | Hindi | हिन्दी; हिंदी |
|
| ho | hmo | hmo | Hiri Motu | Hiri Motu |
|
| hr | scr/hrv | hrv | Croatian | Hrvatski |
|
| ht | hat | hat | Haitian | Kreyòl ayisyen |
|
| hu | hun | hun | Hungarian | Magyar |
|
| hy | arm/hye | hye | Armenian | Հայերեն |
|
| hz | her | her | Herero | Otjiherero |
|
| ia | ina | ina | Interlingua (International Auxiliary Language Association) | Interlingua |
|
| id | ind | ind | Indonesian | Bahasa Indonesia |
|
| ie | ile | ile | Interlingue | Interlingue |
|
| ig | ibo | ibo | Igbo | Igbo |
|
| ii | iii | iii | Sichuan Yi | ꆇꉙ |
|
| ik | ipk | ipk + 2 | Inupiaq | Iñupiaq; Iñupiatun |
|
| io | ido | ido | Ido | Ido |
|
| is | ice/isl | isl | Icelandic | Íslenska |
|
| it | ita | ita | Italian | Italiano |
|
| iu | iku | iku + 2 | Inuktitut | ᐃᓄᒃᑎᑐᑦ |
|
| ja | jpn | jpn | Japanese | 日本語 (にほんご/にっぽんご) |
|
| jv | jav | jav | Javanese | basa Jawa |
|
| ka | geo/kat | kat | Georgian | ქართული |
|
| kg | kon | kon + 3 | Kongo | KiKongo |
|
| ki | kik | kik | Kikuyu | Gĩkũyũ |
|
| kj | kua | kua | Kwanyama | Kuanyama |
|
| kk | kaz | kaz | Kazakh | Қазақ тілі |
|
| kl | kal | kal | Kalaallisut | kalaallisut; kalaallit oqaasii |
|
| km | khm | khm | Khmer | ភាសាខ្មែរ |
|
| kn | kan | kan | Kannada | ಕನ್ನಡ |
|
| ko | kor | kor | Korean | 한국어 (韓國語); 조선말 (朝鮮語) |
|
| kr | kau | kau + 3 | Kanuri | Kanuri |
|
| ks | kas | kas | Kashmiri | कश्मीरी; كشميري |
|
| ku | kur | kur + 3 | Kurdish | Kurdî; كوردی |
|
| kv | kom | kom + 2 | Komi | коми кыв |
|
| kw | cor | cor | Cornish | Kernewek |
|
| ky | kir | kir | Kirghiz | кыргыз тили |
|
| la | lat | lat | Latin | latine; lingua latina |
|
| lb | ltz | ltz | Luxembourgish | Lëtzebuergesch |
|
| lg | lug | lug | Ganda | Luganda |
|
| li | lim | lim | Limburgish | Limburgs |
|
| ln | lin | lin | Lingala | Lingála |
|
| lo | lao | lao | Lao | ພາສາລາວ |
|
| lt | lit | lit | Lithuanian | lietuvių kalba |
|
| lu | lub | lub | Luba-Katanga |
|
|
| lv | lav | lav | Latvian | latviešu valoda |
|
| mg | mlg | mlg + 10 | Malagasy | Malagasy fiteny |
|
| mh | mah | mah | Marshallese | Kajin M̧ajeļ |
|
| mi | mao/mri | mri | Māori | te reo Māori |
|
| mk | mac/mkd | mkd | Macedonian | македонски јазик |
|
| ml | mal | mal | Malayalam | മലയാളം |
|
| mn | mon | mon + 2 | Mongolian | Монгол |
|
| mo | mol | mol | Moldavian | Limba moldovenească | Cyrillic лимба молдовеняскэ |
| mr | mar | mar | Marathi | मराठी |
|
| ms | may/msa | msa + 13 | Malay | bahasa Melayu; بهاس ملايو | Malay (specific) is [mly] |
| mt | mlt | mlt | Maltese | Malti |
|
| my | bur/mya | mya | Burmese | ဗမာစာ |
|
| na | nau | nau | Nauru | Ekakairũ Naoero |
|
| nb | nob | nob | Norwegian Bokmål | Norsk bokmål |
|
| nd | nde | nde | North Ndebele | isiNdebele |
|
| ne | nep | nep | Nepali | नेपाली |
|
| ng | ndo | ndo | Ndonga | Owambo |
|
| nl | dut/nld | nld | Dutch | Nederlands |
|
| nn | nno | nno | Norwegian Nynorsk | Norsk nynorsk |
|
| no | nor | nor + 2 | Norwegian | Norsk |
|
| nr | nbl | nbl | South Ndebele | Ndébélé |
|
| nv | nav | nav | Navajo | Diné bizaad; Dinékʼehǰí |
|
| ny | nya | nya | Chichewa | chiCheŵa; chinyanja |
|
| oc | oci | oci + 5 | Occitan | Occitan |
|
| oj | oji | oji + 7 | Ojibwa | ᐊᓂᔑᓈᐯᒧᐎᓐ |
|
| om | orm | orm + 4 | Oromo | Afaan Oromoo |
|
| or | ori | ori | Oriya | ଓଡ଼ିଆ |
|
| os | oss | oss | Ossetian | Ирон æвзаг |
|
| pa | pan | pan | Panjabi | ਪੰਜਾਬੀ; پنجابی |
|
| pi | pli | pli | Pāli | पाऴि |
|
| pl | pol | pol | Polish | polski |
|
| ps | pus | pus + 3 | Pashto | پښتو |
|
| pt | por | por | Portuguese | Português |
|
| qu | que | que + 44 | Quechua | Runa Simi; Kichwa |
|
| rm | roh | roh | Raeto-Romance | rumantsch grischun |
|
| rn | run | run | Kirundi | kiRundi |
|
| ro | rum/ron | ron | Romanian | română |
|
| ru | rus | rus | Russian | русский язык |
|
| rw | kin | kin | Kinyarwanda | Ikinyarwanda |
|
| sa | san | san | Sanskrit | संस्कृतम् |
|
| sc | srd | srd + 4 | Sardinian | sardu |
|
| sd | snd | snd | Sindhi | सिन्धी; سنڌي، سندھی |
|
| se | sme | sme | Northern Sami | Davvisámegiella |
|
| sg | sag | sag | Sango | yângâ tî sängö |
|
| sh | -- | hbs + 3 | Serbo-Croatian | Srpskohrvatski; Српскохрватски |
|
| si | sin | sin | Sinhalese | සිංහල |
|
| sk | slo/slk | slk | Slovak | slovenčina |
|
| sl | slv | slv | Slovenian | slovenščina |
|
| sm | smo | smo | Samoan | gagana fa'a Samoa |
|
| sn | sna | sna | Shona | chiShona |
|
| so | som | som | Somali | Soomaaliga; af Soomaali |
|
| sq | alb/sqi | sqi + 4 | Albanian | Shqip |
|
| sr | scc/srp | srp | Serbian | српски језик |
|
| ss | ssw | ssw | Swati | SiSwati |
|
| st | sot | sot | Sotho | seSotho |
|
| su | sun | sun | Sundanese | Basa Sunda |
|
| sv | swe | swe | Swedish | Svenska |
|
| sw | swa | swa + 2 | Swahili | Kiswahili |
|
| ta | tam | tam | Tamil | தமிழ் |
|
| te | tel | tel | Telugu | తెలుగు |
|
| tg | tgk | tgk | Tajik | тоҷикӣ; toğikī; تاجیکی |
|
| th | tha | tha | Thai | ไทย |
|
| ti | tir | tir | Tigrinya | ትግርኛ |
|
| tk | tuk | tuk | Turkmen | Türkmen; Түркмен |
|
| tl | tgl | tgl | Tagalog | Tagalog |
|
| tn | tsn | tsn | Tswana | seTswana |
|
| to | ton | ton | Tonga | faka Tonga |
|
| tr | tur | tur | Turkish | Türkçe |
|
| ts | tso | tso | Tsonga | xiTsonga |
|
| tt | tat | tat | Tatar | татарча; tatarça; تاتارچا |
|
| tw | twi | twi | Twi | Twi |
|
| ty | tah | tah | Tahitian | Reo Mā`ohi |
|
| ug | uig | uig | Uighur | Uyƣurqə; ئۇيغۇرچ |
|
| uk | ukr | ukr | Ukrainian | Українська |
|
| ur | urd | urd | Urdu | اردو |
|
| uz | uzb | uzb + 2 | Uzbek | O'zbek; Ўзбек; أۇزبېك |
|
| ve | ven | ven | Venda | tshiVenḓa |
|
| vi | vie | vie | Vietnamese | Tiếng Việt |
|
| vo | vol | vol | Volapük | Volapük |
|
| wa | wln | wln | Walloon | Walon |
|
| wo | wol | wol | Wolof | Wollof |
|
| xh | xho | xho | Xhosa | isiXhosa |
|
| yi | yid | yid + 2 | Yiddish | ייִדיש |
|
| yo | yor | yor | Yoruba | Yorùbá |
|
| za | zha | zha + 2 | Zhuang | Saɯ cueŋƅ; Saw cuengh |
|
| zh | chi/zho | zho + 13 | Chinese | 中文, 汉语, 漢語 |
|
| zu | zul | zul | Zulu | isiZulu |
|