This list states the ISO 639 Alpha-2 code elements, the ISO 639-2/T Alpha-3 code elements, the ISO 639-2/B Alpha-3 code elements, and the language names given in the standards (639 variants in parentheses). The list is ordered alphabetically by the ISO 639-2/T codes. Where the name in ISO 639 differs from that in ISO 639-2, the ISO 639 name is given in [square brackets].
This list is updated whenever a change to the official code list in ISO 639 or in ISO 639-2 is effected by the respective Registration Authorities.
This list is complete and up-to-date as of 2000-02-19. It lists 433 languages.
The Registration Authority for ISO 639 is Infoterm, Simeringer Haupstraße 24, A-1110 Wien, Austria. The Registration Authority for ISO 639-2 is the Network Development and MARC Standards Office, Library of Congress, Washington, D.C. 20540 USA.
| 639-1 | T | B | Language name (in English) |
| aa | aar | aar | Afar |
| ab | abk | abk | Abkhazian |
| ace | ace | Achinese | |
| ach | ach | Acoli | |
| ada | ada | Adangme | |
| afa | afa | Afro-Asiatic (Other) | |
| afh | afh | Afrihili | |
| af | afr | afr | Afrikaans |
| aka | aka | Akan | |
| akk | akk | Akkadian | |
| ale | ale | Aleut | |
| alg | alg | Algonquian languages | |
| am | amh | amh | Amharic |
| ang | ang | English, Old (ca. 450-1100) | |
| apa | apa | Apache languages | |
| ar | ara | ara | Arabic |
| arc | arc | Aramaic | |
| arn | arn | Araucanian | |
| arp | arp | Arapaho | |
| art | art | Artificial (Other) | |
| arw | arw | Arawak | |
| as | asm | asm | Assamese |
| ath | ath | Athapascan languages | |
| aus | aus | Australian languages | |
| ava | ava | Avaric | |
| ae | ave | ave | Avestan |
| awa | awa | Awadhi | |
| ay | aym | aym | Aymara |
| az | aze | aze | Azerbaijani |
| bad | bad | Banda | |
| bai | bai | Bamileke languages | |
| ba | bak | bak | Bashkir |
| bal | bal | Baluchi | |
| bam | bam | Bambara | |
| ban | ban | Balinese | |
| bas | bas | Basa | |
| bat | bat | Baltic (Other) | |
| bej | bej | Beja | |
| be | bel | bel | Belarussian [Byelorussian] |
| bem | bem | Bemba | |
| bn | ben | ben | Bengali [Bengali, Bangla] |
| ber | ber | Berber (Other) | |
| bho | bho | Bhojpuri | |
| bh | bih | bih | Bihari |
| bik | bik | Bikol | |
| bin | bin | Bini | |
| bi | bis | bis | Bislama |
| bla | bla | Siksika | |
| bnt | bnt | Bantu (Other) | |
| bo | bod | tib | Tibetan |
| bs | bos | bos | Bosnian |
| bra | bra | Braj | |
| br | bre | bre | Breton |
| btk | btk | Batak (Indonesia) | |
| bua | bua | Buriat | |
| bug | bug | Buginese | |
| bg | bul | bul | Bulgarian |
| cad | cad | Caddo | |
| cai | cai | Central American Indian (Other) | |
| car | car | Carib | |
| ca | cat | cat | Catalan |
| cau | cau | Caucasian (Other) | |
| ceb | ceb | Cebuano | |
| cel | cel | Celtic (Other) | |
| cs | ces | cze | Czech |
| ch | cha | cha | Chamorro |
| chb | chb | Chibcha | |
| ce | che | che | Chechen |
| chg | chg | Chagatai | |
| chk | chk | Chuukese | |
| chm | chm | Mari | |
| chn | chn | Chinook jargon | |
| cho | cho | Choctaw | |
| chp | chp | Chipewyan | |
| chr | chr | Cherokee | |
| cu | chu | chu | Church Slavic |
| cv | chv | chv | Chuvash |
| chy | chy | Cheyenne | |
| cmc | cmc | Chamic languages | |
| cop | cop | Coptic | |
| kw | cor | cor | Cornish |
| co | cos | cos | Corsican |
| cpe | cpe | Creoles and pidgins, English-based (Other) | |
| cpf | cpf | Creoles and pidgins, French-based (Other) | |
| cpp | cpp | Creoles and pidgins, Portuguese-based (Other) | |
| cre | cre | Cree | |
| crp | crp | Creoles and pidgins (Other) | |
| cus | cus | Cushitic (Other) | |
| cy | cym | wel | Welsh |
| dak | dak | Dakota | |
| da | dan | dan | Danish |
| day | day | Dayak | |
| del | del | Delaware | |
| den | den | Slave (Athapascan) | |
| de | deu | ger | German |
| dgr | dgr | Dogrib | |
| din | din | Dinka | |
| div | div | Divehi | |
| doi | doi | Dogri | |
| dra | dra | Dravidian (Other) | |
| dua | dua | Duala | |
| dum | dum | Dutch, Middle (ca. 1050-1350) | |
| dyu | dyu | Dyula | |
| dz | dzo | dzo | Dzongkha [Bhutani] |
| efi | efi | Efik | |
| egy | egy | Egyptian (Ancient) | |
| eka | eka | Ekajuk | |
| el | ell | gre | Greek, Modern (post 1453) |
| elx | elx | Elamite | |
| en | eng | eng | English |
| enm | enm | English, Middle (1100-1500) | |
| eo | epo | epo | Esperanto |
| et | est | est | Estonian |
| eu | eus | baq | Basque |
| ewe | ewe | Ewe | |
| ewo | ewo | Ewondo | |
| fan | fan | Fang | |
| fo | fao | fao | Faroese |
| fa | fas | per | Persian |
| fat | fat | Fanti | |
| fj | fij | fij | Fijian [Fiji] |
| fi | fin | fin | Finnish |
| fiu | fiu | Finno-Ugrian (Other) | |
| fon | fon | Fon | |
| fr | fra | fre | French |
| frm | frm | French, Middle (ca. 1400-1600) | |
| fro | fro | French, Old (842-ca. 1400) | |
| fy | fry | fry | Frisian |
| ful | ful | Fulah | |
| fur | fur | Friulian | |
| gaa | gaa | Ga | |
| gay | gay | Gayo | |
| gba | gba | Gbaya | |
| gem | gem | Germanic (Other) | |
| gez | gez | Geez | |
| gil | gil | Gilbertese | |
| gd | gla | gla | Gaelic (Scots) [Scots Gaelic] |
| ga | gle | gle | Irish |
| gl | glg | glg | Gallegan [Galician] |
| gv | glv | glv | Manx [Manx Gaelic] |
| gmh | gmh | German, Middle High (ca. 1050-1500) | |
| goh | goh | German, Old High (ca. 750-1050) | |
| gon | gon | Gondi | |
| gor | gor | Gorontalo | |
| got | got | Gothic | |
| grb | grb | Grebo | |
| grc | grc | Greek, Ancient (to 1453) | |
| gn | grn | grn | Guarani |
| gu | guj | guj | Gujarati |
| gwi | gwi | Gwich'in | |
| hai | hai | Haida | |
| ha | hau | hau | Hausa |
| haw | haw | Hawaiian | |
| he/-iw | heb | heb | Hebrew ["in" withdrawn; use "he"] |
| hz | her | her | Herero |
| hil | hil | Hiligaynon | |
| him | him | Himachali | |
| hi | hin | hin | Hindi |
| hit | hit | Hittite | |
| hmn | hmn | Hmong | |
| ho | hmo | hmo | Hiri Motu |
| hr | hrv | scr | Croatian |
| hu | hun | hun | Hungarian |
| hup | hup | Hupa | |
| hy | hye | arm | Armenian |
| iba | iba | Iban | |
| ibo | ibo | Igbo | |
| ijo | ijo | Ijo | |
| iu | iku | iku | Inuktitut |
| ie | ile | ile | Interlingue |
| ilo | ilo | Iloko | |
| ia | ina | ina | Interlingua (International Auxiliary Language Association) |
| inc | inc | Indic (Other) | |
| id/-in | ind | ind | Indonesian ["in" withdrawn; use "id"] |
| ine | ine | Indo-European (Other) | |
| ik | ipk | ipk | Inupiaq [Inupiak] |
| ira | ira | Iranian (Other) | |
| iro | iro | Iroquoian languages | |
| is | isl | ice | Icelandic |
| it | ita | ita | Italian |
| jw | jaw | jav | Javanese |
| ja | jpn | jpn | Japanese |
| jpr | jpr | Judeo-Persian | |
| jrb | jrb | Judeo-Arabic | |
| kaa | kaa | Kara-Kalpak | |
| kab | kab | Kabyle | |
| kac | kac | Kachin | |
| kl | kal | kal | Kalaallisut [Greenlandic] |
| kam | kam | Kamba | |
| kn | kan | kan | Kannada |
| kar | kar | Karen | |
| ks | kas | kas | Kashmiri |
| ka | kat | geo | Georgian |
| kau | kau | Kanuri | |
| kaw | kaw | Kawi | |
| kk | kaz | kaz | Kazakh |
| kha | kha | Khasi | |
| khi | khi | Khoisan (Other) | |
| km | khm | khm | Khmer [Cambodian] |
| kho | kho | Khotanese | |
| ki | kik | kik | Kikuyu |
| rw | kin | kin | Kinyarwanda |
| ky | kir | kir | Kirghiz |
| kmb | kmb | Kimbundu | |
| kok | kok | Konkani | |
| kv | kom | kom | Komi |
| kon | kon | Kongo | |
| ko | kor | kor | Korean |
| kos | kos | Kosraean | |
| kpe | kpe | Kpelle | |
| kro | kro | Kru | |
| kru | kru | Kurukh | |
| kj | kua | kua | Kuanyama |
| kum | kum | Kumyk | |
| ku | kur | kur | Kurdish |
| kut | kut | Kutenai | |
| lad | lad | Ladino | |
| lah | lah | Lahnda | |
| lam | lam | Lamba | |
| lo | lao | lao | Lao [Laothian] |
| la | lat | lat | Latin |
| lv | lav | lav | Latvian [Latvian, Lettish] |
| lez | lez | Lezghian | |
| ln | lin | lin | Lingala |
| lt | lit | lit | Lithuanian |
| lol | lol | Mongo | |
| loz | loz | Lozi | |
| lb | ltz | ltz | Letzeburgesch [Luxembourgish] |
| lua | lua | Luba-Lulua | |
| lub | lub | Luba-Katanga | |
| lug | lug | Ganda | |
| lui | lui | Luiseno | |
| lun | lun | Lunda | |
| luo | luo | Luo (Kenya and Tanzania) | |
| lus | lus | Lushai | |
| mad | mad | Madurese | |
| mag | mag | Magahi | |
| mh | mah | mah | Marshall |
| mai | mai | Maithili | |
| mak | mak | Makasar | |
| ml | mal | mal | Malayalam |
| man | man | Mandingo | |
| map | map | Austronesian (Other) | |
| mr | mar | mar | Marathi |
| mas | mas | Masai | |
| mdr | mdr | Mandar | |
| men | men | Mende | |
| mga | mga | Irish, Middle (900-1200) | |
| mic | mic | Micmac | |
| min | min | Minangkabau | |
| mis | mis | Miscellaneous languages | |
| mk | mkd | mac | Macedonian |
| mkh | mkh | Mon-Khmer (Other) | |
| mg | mlg | mlg | Malagasy |
| mt | mlt | mlt | Maltese |
| mnc | mnc | Manchu | |
| mni | mni | Manipuri | |
| mno | mno | Manobo languages | |
| moh | moh | Mohawk | |
| mo | mol | mol | Moldavian |
| mn | mon | mon | Mongolian |
| mos | mos | Mossi | |
| mi | mri | mao | Maori |
| ms | msa | may | Malay |
| mul | mul | Multiple languages | |
| mun | mun | Munda languages | |
| mus | mus | Creek | |
| mwr | mwr | Marwari | |
| my | mya | bur | Burmese |
| myn | myn | Mayan languages | |
| nah | nah | Nahuatl | |
| nai | nai | North American Indian (Other) | |
| na | nau | nau | Nauru |
| nv | nav | nav | Navajo |
| nr | nbl | nbl | Ndebele, South |
| nd | nde | nde | Ndebele, North |
| ng | ndo | ndo | Ndonga |
| ne | nep | nep | Nepali |
| new | new | Newari | |
| nia | nia | Nias | |
| nic | nic | Niger-Kordofanian (Other) | |
| niu | niu | Niuean | |
| nl | nld | dut | Dutch |
| nn | nno | nno | Norwegian Nynorsk |
| nb | nob | nob | Norwegian Bokmål |
| non | non | Norse, Old | |
| no | nor | nor | Norwegian |
| nso | nso | Sotho, Northern | |
| nub | nub | Nubian languages | |
| ny | nya | nya | Chichewa; Nyanja |
| nym | nym | Nyamwezi | |
| nyn | nyn | Nyankole | |
| nyo | nyo | Nyoro | |
| nzi | nzi | Nzima | |
| oc | oci | oci | Occitan (post 1500); Provençal |
| oji | oji | Ojibwa | |
| or | ori | ori | Oriya |
| om | orm | orm | Oromo [(Afan) Oromo] |
| osa | osa | Osage | |
| os | oss | oss | Ossetian; Ossetic |
| ota | ota | Turkish, Ottoman (1500-1928) | |
| oto | oto | Otomian languages | |
| paa | paa | Papuan (Other) | |
| pag | pag | Pangasinan | |
| pal | pal | Pahlavi | |
| pam | pam | Pampanga | |
| pa | pan | pan | Panjabi [Punjabi] |
| pap | pap | Papiamento | |
| pau | pau | Palauan | |
| peo | peo | Persian, Old (ca. 600-400 B.C.) | |
| phi | phi | Philippine (Other) | |
| phn | phn | Phoenician | |
| pi | pli | pli | Pali |
| pl | pol | pol | Polish |
| pon | pon | Pohnpeian | |
| pt | por | por | Portuguese |
| pra | pra | Prakrit languages | |
| pro | pro | ProvenÁal, Old (to 1500) | |
| ps | pus | pus | Pushto [Pashto, Pushto] |
| qaa-qtz | qaa-qtz | reserved for local use | |
| qu | que | que | Quechua |
| raj | raj | Rajasthani | |
| rap | rap | Rapanui | |
| rar | rar | Rarotongan | |
| roa | roa | Romance (Other) | |
| rm | roh | roh | Raeto-Romance, [Rhaeto-Romance] |
| rom | rom | Romany | |
| ro | ron | rum | Romanian |
| rn | run | run | Rundi |
| ru | rus | rus | Russian |
| sad | sad | Sandawe | |
| sg | sag | sag | Sango [Sangho] |
| sah | sah | Yakut | |
| sai | sai | South American Indian (Other) | |
| sal | sal | Salishan languages | |
| sam | sam | Samaritan Aramaic | |
| sa | san | san | Sanskrit |
| sas | sas | Sasak | |
| sat | sat | Santali | |
| sco | sco | Scots | |
| sel | sel | Selkup | |
| sem | sem | Semitic (Other) | |
| sga | sga | Irish, Old (to 900) | |
| sgn | sgn | Sign languages | |
| shn | shn | Shan | |
| -sh | Serbo-Croatian ["sh" withdrawn; use "bs", "hr", or "sr"] | ||
| sid | sid | Sidamo | |
| si | sin | sin | Sinhalese [Singhalese] |
| sio | sio | Siouan languages | |
| sit | sit | Sino-Tibetan (Other) | |
| sla | sla | Slavic (Other) | |
| sk | slk | slo | Slovak |
| sl | slv | slv | Slovenian |
| se | sme | sme | Northern Sami |
| smi | smi | Sami languages Other | |
| sm | smo | smo | Samoan |
| sn | sna | sna | Shona |
| sd | snd | snd | Sindhi |
| snk | snk | Soninke | |
| sog | sog | Sogdian | |
| so | som | som | Somali |
| son | son | Songhai | |
| st | sot | sot | Sotho, Southern [Sesotho] |
| es | spa/esp | spa | Spanish |
| sq | sqi | alb | Albanian |
| sc | srd | srd | Sardinian |
| sr | srp | scc | Serbian |
| srr | srr | Serer | |
| ssa | ssa | Nilo-Saharan (Other) | |
| ss | ssw | ssw | Swati |
| suk | suk | Sukuma | |
| su | sun | sun | Sundanese |
| sus | sus | Susu | |
| sux | sux | Sumerian | |
| sw | swa | swa | Swahili |
| sv | swe | swe | Swedish |
| syr | syr | Syriac | |
| ty | tah | tah | Tahitian |
| tai | tai | Tai (Other) | |
| ta | tam | tam | Tamil |
| tt | tat | tat | Tatar |
| te | tel | tel | Telugu |
| tem | tem | Timne | |
| ter | ter | Tereno | |
| tet | tet | Tetum | |
| tg | tgk | tgk | Tajik |
| tl | tgl | tgl | Tagalog |
| th | tha | tha | Thai |
| tig | tig | Tigre | |
| tir | tir | Tigrinya | |
| tiv | tiv | Tiv | |
| tkl | tkl | Tokelau | |
| tli | tli | Tlingit | |
| tmh | tmh | Tamashek | |
| tog | tog | Tonga (Nyasa) | |
| ton | ton | Tonga (Tonga Islands) | |
| tpi | tpi | Tok Pisin | |
| tsi | tsi | Tsimshian | |
| tn | tsn | tsn | Tswana |
| ts | tso | tso | Tsonga |
| tk | tuk | tuk | Turkmen |
| tum | tum | Tumbuka | |
| tur | tur | Turkish | |
| tut | tut | Altaic (Other) | |
| tvl | tvl | Tuvalu | |
| tw | twi | twi | Twi |
| tyv | tyv | Tuvinian | |
| uga | uga | Ugaritic | |
| ug | uig | uig | Uighur |
| uk | ukr | ukr | Ukrainian |
| umb | umb | Umbundu | |
| und | und | Undetermined | |
| ur | urd | urd | Urdu |
| uz | uzb | uzb | Uzbek |
| vai | vai | Vai | |
| ven | ven | Venda | |
| vi | vie | vie | Vietnamese |
| vo | vol | vol | Volap¸k |
| vot | vot | Votic | |
| wak | wak | Wakashan languages | |
| wal | wal | Walamo | |
| war | war | Waray | |
| was | was | Washo | |
| wen | wen | Sorbian languages | |
| wo | wol | wol | Wolof |
| xh | xho | xho | Xhosa |
| yao | yao | Yao | |
| yap | yap | Yapese | |
| yi/-ji | yid | yid | Yiddish ["ji" withdrawn; use "yi"] |
| yor | yor | Yoruba | |
| ypk | ypk | Yupik languages | |
| zap | zap | Zapotec | |
| zen | zen | Zenaga | |
| za | zha | zha | Zhuang |
| zh | zho | chi | Chinese |
| znd | znd | Zande | |
| zu | zul | zul | Zulu |
| zun | zun | Zuni | |
| 639-1 | T | B | Language name (in English) |