Special codes: und (Undetermined)
| Language name | ISO 639-3 code |
|---|---|
| Abkhazian | abk |
| Achinese | ace |
| Adzera | adz |
| Afrikaans | afr |
| Assyrian Neo-Aramaic | aii |
| Yanesha' | ame |
| Amharic | amh |
| Amarakaeri | amr |
| Arabic | ara |
| Arabela | arl |
| Mapudungun | arn |
| Assamese | asm |
| Central Aymara | ayr |
| Azerbaijani | aze |
| Bashkir | bak |
| Bavarian | bar |
| Central Bikol | bcl |
| Belarusian | bel |
| Bengali | ben |
| Bora | boa |
| Tibetan | bod |
| Bishnupriya | bpy |
| Breton | bre |
| Bulgarian | bul |
| Catalan | cat |
| Candoshi-Shapra | cbu |
| Min Dong Chinese | cdo |
| Cebuano | ceb |
| Czech | ces |
| Chechen | che |
| Chuukese | chk |
| Choctaw | cho |
| Cherokee | chr |
| Chuvash | chv |
| Cheyenne | chy |
| Central Kurdish | ckb |
| Mandarin Chinese | cmn |
| Hakha Chin | cnh |
| Cornish | cor |
| Corsican | cos |
| Welsh | cym |
| Danish | dan |
| German | deu |
| Southwestern Dinka | dik |
| Dimli (individual language) | diq |
| Dhivehi | div |
| Modern Greek (1453-) | ell |
| English | eng |
| Esperanto | epo |
| Estonian | est |
| Basque | eus |
| Ewe | ewe |
| Extremaduran | ext |
| Faroese | fao |
| Fijian | fij |
| Finnish | fin |
| Fon | fon |
| French | fra |
| Western Frisian | fry |
| West Central Oromo | gaz |
| Scottish Gaelic | gla |
| Irish | gle |
| Galician | glg |
| Manx | glv |
| Goan Konkani | gom |
| Guarani | grn |
| Swiss German | gsw |
| Gujarati | guj |
| Haitian | hat |
| Serbo-Croatian | hbs |
| Hebrew | heb |
| Hindi | hin |
| Hiri Motu | hmo |
| Upper Sorbian | hsb |
| Hungarian | hun |
| Huastec | hus |
| Murui Huitoto | huu |
| Armenian | hye |
| Igbo | ibo |
| Ido | ido |
| Inuktitut | iku |
| Iloko | ilo |
| Interlingua (International Auxiliary Language Association) | ina |
| Icelandic | isl |
| Italian | ita |
| Ingrian | izh |
| Japanese | jpn |
| Kachin | kac |
| Kalaallisut | kal |
| Kannada | kan |
| Georgian | kat |
| Kazakh | kaz |
| Kabardian | kbd |
| Kabiyè | kbp |
| Khanty | kca |
| Khmer | khm |
| Kirghiz | kir |
| Northern Kurdish | kmr |
| Central Kanuri | knc |
| Komi-Permyak | koi |
| Korean | kor |
| Komi-Zyrian | kpv |
| Karachay-Balkar | krc |
| Kölsch | ksh |
| Lao | lao |
| Latin | lat |
| Latvian | lav |
| Lingala | lin |
| Lithuanian | lit |
| Liv | liv |
| Lombard | lmo |
| Luxembourgish | ltz |
| Ludian | lud |
| Ganda | lug |
| Luo (Kenya and Tanzania) | luo |
| Lushai | lus |
| Malayalam | mal |
| Marathi | mar |
| Sharanahua | mcd |
| Matsés | mcf |
| Moksha | mdf |
| Eastern Mari | mhr |
| Macedonian | mkd |
| Malagasy | mlg |
| Maltese | mlt |
| Mansi | mns |
| Mongolian | mon |
| Maori | mri |
| Western Mari | mrj |
| Malay (macrolanguage) | msa |
| Mirandese | mwl |
| Burmese | mya |
| Erzya | myv |
| Navajo | nav |
| Nepali (macrolanguage) | nep |
| Central Nahuatl | nhn |
| Nganasan | nio |
| Dutch | nld |
| Norwegian Nynorsk | nno |
| Norwegian Bokmål | nob |
| Pedi | nso |
| Nuer | nus |
| Occitan (post 1500) | oci |
| Livvi | olo |
| Oriya (macrolanguage) | ori |
| Ossetian | oss |
| Pangasinan | pag |
| Pampanga | pam |
| Panjabi | pan |
| Southern Pashto | pbt |
| Iranian Persian | pes |
| Pfaelzisch | pfl |
| Pali | pli |
| Piemontese | pms |
| Western Panjabi | pnb |
| Polish | pol |
| Pohnpeian | pon |
| Portuguese | por |
| Quechua | que |
| Romansh | roh |
| Romanian | ron |
| Russian | rus |
| Sango | sag |
| Yakut | sah |
| Santali | sat |
| Sicilian | scn |
| Samogitian | sgs |
| Shilluk | shk |
| Shan | shn |
| Sinhala | sin |
| Kildin Sami | sjd |
| Kemi Sami | sjk |
| Ume Sami | sju |
| Slovak | slk |
| Slovenian | slv |
| Southern Sami | sma |
| Northern Sami | sme |
| Lule Sami | smj |
| Inari Sami | smn |
| Skolt Sami | sms |
| Shona | sna |
| Sindhi | snd |
| Somali | som |
| Southern Sotho | sot |
| Spanish | spa |
| Albanian | sqi |
| Sardinian | srd |
| Swahili (macrolanguage) | swa |
| Swedish | swe |
| Tamil | tam |
| Tatar | tat |
| Ticuna | tca |
| Telugu | tel |
| Tetum | tet |
| Tajik | tgk |
| Tagalog | tgl |
| Thai | tha |
| Tigrinya | tir |
| Tsonga | tso |
| Turkmen | tuk |
| Turkish | tur |
| Twi | twi |
| Tzeltal | tzh |
| Udmurt | udm |
| Uighur | uig |
| Ukrainian | ukr |
| Undetermined | und |
| Urarina | ura |
| Urdu | urd |
| Northern Uzbek | uzn |
| Vietnamese | vie |
| Vlaams | vls |
| Volapük | vol |
| Votic | vot |
| Waray (Philippines) | war |
| Walloon | wln |
| Mingrelian | xmf |
| Yiddish | yid |
| Yoruba | yor |
| Nenets | yrk |
| Zulu | zul |