Each language has a two-letter code. For example, English is en, Spanish is es, French is fr, Dutch is nl, and so on.
The list in the table below contains the most common ISO language codes, conforming to the ISO 639-1 (alpha-2 code) and ISO 639-2 (alpha-3 code) standards, complete with two-letter country codes and the English and French names of each language.
| Language (English name) | Code 2 | Code 3 | Language (French name) |
|---|---|---|---|
| Afar | aa | aar | afar |
| Abkhazian | ab | abk | abkhaze |
| Avestan | ae | ave | avestique |
| Afrikaans | af | afr | afrikaans |
| Akan | ak | aka | akan |
| Amharic | am | amh | amharique |
| Aragonese | an | arg | aragonais |
| Arabic | ar | ara | arabe |
| Assamese | as | asm | assamais |
| Avaric | av | ava | avar |
| Aymara | ay | aym | aymara |
| Azerbaijani | az | aze | azéri |
| Bashkir | ba | bak | bachkir |
| Belarusian | be | bel | biélorusse |
| Bulgarian | bg | bul | bulgare |
| Bihari languages | bh | bih | langues biharis |
| Bislama | bi | bis | bichlamar |
| Bambara | bm | bam | bambara |
| Bengali | bn | ben | bengali |
| Tibetan | bo | tib | tibétain |
| Breton | br | bre | breton |
| Bosnian | bs | bos | bosniaque |
| Catalan; Valencian | ca | cat | catalan; valencien |
| Chechen | ce | che | tchétchène |
| Chamorro | ch | cha | chamorro |
| Corsican | co | cos | corse |
| Cree | cr | cre | cree |
| Czech | cs | cze | tchèque |
| Church Slavic; Slavonic; Old Bulgarian |
cu | chu | slavon d’église; slavon liturgique; vieux bulgare |
| Chuvash | cv | chv | tchouvache |
| Welsh | cy | wel | gallois |
| Danish | da | dan | danois |
| German | de | ger | allemand |
| Divehi; Dhivehi; Maldivian | dv | div | maldivien |
| Dzongkha | dz | dzo | dzongkha |
| Ewe | ee | ewe | éwé |
| Greek, Modern (1453-) | el | gre | grec moderne (après 1453) |
| English | en | eng | anglais |
| Esperanto | eo | epo | espéranto |
| Spanish; Castilian | es | spa | espagnol; castillan |
| Estonian | et | est | estonien |
| Basque | eu | baq | basque |
| Persian | fa | per | persan |
| Fulah | ff | ful | peul |
| Finnish | fi | fin | finnois |
| Fijian | fj | fij | fidjien |
| Faroese | fo | fao | féroïen |
| French | fr | fre | français |
| Western Frisian | fy | fry | frison occidental |
| Irish | ga | gle | irlandais |
| Gaelic; Scottish Gaelic | gd | gla | gaélique; gaélique écossais |
| Galician | gl | glg | galicien |
| Guarani | gn | grn | guarani |
| Gujarati | gu | guj | goudjrati |
| Manx | gv | glv | manx; mannois |
| Hausa | ha | hau | haoussa |
| Hebrew | he | heb | hébreu |
| Hindi | hi | hin | hindi |
| Hiri Motu | ho | hmo | hiri motu |
| Croatian | hr | hrv | croate |
| Haitian; Haitian Creole | ht | hat | haïtien; créole haïtien |
| Hungarian | hu | hun | hongrois |
| Armenian | hy | arm | arménien |
| Herero | hz | her | herero |
| Interlingua | ia | ina | interlingua |
| Indonesian | id | ind | indonésien |
| Interlingue; Occidental | ie | ile | interlingue |
| Igbo | ig | ibo | igbo |
| Sichuan Yi; Nuosu | ii | iii | yi de Sichuan |
| Inupiaq | ik | ipk | inupiaq |
| Ido | io | ido | ido |
| Icelandic | is | ice | islandais |
| Italian | it | ita | italien |
| Inuktitut | iu | iku | inuktitut |
| Japanese | ja | jpn | japonais |
| Javanese | jv | jav | javanais |
| Georgian | ka | geo | géorgien |
| Kongo | kg | kon | kongo |
| Kikuyu; Gikuyu | ki | kik | kikuyu |
| Kuanyama; Kwanyama | kj | kua | kuanyama; kwanyama |
| Kazakh | kk | kaz | kazakh |
| Kalaallisut; Greenlandic | kl | kal | groenlandais |
| Central Khmer | km | khm | khmer central |
| Kannada | kn | kan | kannada |
| Korean | ko | kor | coréen |
| Kanuri | kr | kau | kanouri |
| Kashmiri | ks | kas | kashmiri |
| Kurdish | ku | kur | kurde |
| Komi | kv | kom | kom |
| Cornish | kw | cor | cornique |
| Kirghiz; Kyrgyz | ky | kir | kirghiz |
| Latin | la | lat | latin |
| Luxembourgish; Letzeburgesch | lb | ltz | luxembourgeois |
| Ganda | lg | lug | ganda |
| Limburgan; Limburger; Limburgish | li | lim | limbourgeois |
| Lingala | ln | lin | lingala |
| Lao | lo | lao | lao |
| Lithuanian | lt | lit | lituanien |
| Luba-Katanga | lu | lub | luba-katanga |
| Latvian | lv | lav | letton |
| Malagasy | mg | mlg | malgache |
| Marshallese | mh | mah | marshall |
| Maori | mi | mao | maori |
| Macedonian | mk | mac | macédonien |
| Malayalam | ml | mal | malayalam |
| Mongolian | mn | mon | mongol |
| Marathi | mr | mar | marathe |
| Malay | ms | may | malais |
| Maltese | mt | mlt | maltais |
| Burmese | my | bur | birman |
| Nauru | na | nau | nauruan |
| Norwegian Bokmål | nb | nob | norvégien bokmål |
| Ndebele, North; North Ndebele | nd | nde | ndébélé du Nord |
| Nepali | ne | nep | népalais |
| Ndonga | ng | ndo | ndonga |
| Dutch; Flemish | nl | dut | néerlandais; flamand |
| Norwegian Nynorsk | nn | nno | norvégien nynorsk; nynorsk, norvégien |
| Norwegian | no | nor | norvégien |
| Ndebele, South; South Ndebele | nr | nbl | ndébélé du Sud |
| Navajo; Navaho | nv | nav | navaho |
| Chichewa; Chewa; Nyanja | ny | nya | chichewa; chewa; nyanja |
| Occitan (post 1500) | oc | oci | occitan (après 1500) |
| Ojibwa | oj | oji | ojibwa |
| Oromo | om | orm | galla |
| Oriya | or | ori | oriya |
| Ossetian; Ossetic | os | oss | ossète |
| Panjabi; Punjabi | pa | pan | pendjabi |
| Pali | pi | pli | pali |
| Polish | pl | pol | polonais |
| Pushto; Pashto | ps | pus | pachto |
| Portuguese | pt | por | portugais |
| Quechua | qu | que | quechua |
| Romansh | rm | roh | romanche |
| Rundi | rn | run | rundi |
| Romanian; Moldavian; Moldovan | ro | rum | roumain; moldave |
| Russian | ru | rus | russe |
| Kinyarwanda | rw | kin | rwanda |
| Sanskrit | sa | san | sanskrit |
| Sardinian | sc | srd | sarde |
| Sindhi | sd | snd | sindhi |
| Northern Sami | se | sme | sami du Nord |
| Sango | sg | sag | sango |
| Sinhala; Sinhalese | si | sin | singhalais |
| Slovak | sk | slo | slovaque |
| Slovenian | sl | slv | slovène |
| Samoan | sm | smo | samoan |
| Shona | sn | sna | shona |
| Somali | so | som | somali |
| Albanian | sq | alb | albanais |
| Serbian | sr | srp | serbe |
| Swati | ss | ssw | swati |
| Sotho, Southern | st | sot | sotho du Sud |
| Sundanese | su | sun | soundanais |
| Swedish | sv | swe | suédois |
| Swahili | sw | swa | swahili |
| Tamil | ta | tam | tamoul |
| Telugu | te | tel | télougou |
| Tajik | tg | tgk | tadjik |
| Thai | th | tha | thaï |
| Tigrinya | ti | tir | tigrigna |
| Turkmen | tk | tuk | turkmène |
| Tagalog | tl | tgl | tagalog |
| Tswana | tn | tsn | tswana |
| Tonga (Tonga Islands) | to | ton | tongan (Îles Tonga) |
| Turkish | tr | tur | turc |
| Tsonga | ts | tso | tsonga |
| Tatar | tt | tat | tatar |
| Twi | tw | twi | twi |
| Tahitian | ty | tah | tahitien |
| Uighur; Uyghur | ug | uig | ouïgour |
| Ukrainian | uk | ukr | ukrainien |
| Urdu | ur | urd | ourdou |
| Uzbek | uz | uzb | ouszbek |
| Venda | ve | ven | venda |
| Vietnamese | vi | vie | vietnamien |
| Volapük | vo | vol | volapük |
| Walloon | wa | wln | wallon |
| Wolof | wo | wol | wolof |
| Xhosa | xh | xho | xhosa |
| Yiddish | yi | yid | yiddish |
| Yoruba | yo | yor | yoruba |
| Zhuang; Chuang | za | zha | zhuang; chuang |
| Chinese | zh | chi | chinois |
| Zulu | zu | zul | zoulou |
