| Interlingue | ile-000 |
| ISO 639 | |
| Arbërisht | aae-000 | ISO 639 |
| Bahsa Acèh | ace-000 | ISO 639 |
| Afrikaans | afr-000 | ISO 639 |
| Aynu itak | ain-004 | ISO 639 |
| Albaamo innaaɬiilka | akz-000 | ISO 639 |
| Unangam Tunuu | ale-000 | ISO 639 |
| Ñomndaa | amu-000 | ISO 639 |
| Englisce sprǣc | ang-000 | ISO 639 |
| luenga aragonesa | arg-000 | ISO 639 |
| Lingwa de Planeta | art-287 | ISO 639 |
| asturianu | ast-000 | ISO 639 |
| aymar aru | ayr-000 | ISO 639 |
| ñonndaa | azg-000 | ISO 639 |
| azərbaycanca | azj-000 | ISO 639 |
| bamanankan | bam-000 | ISO 639 |
| basa Bali | ban-000 | ISO 639 |
| boarisch | bar-000 | ISO 639 |
| Bikol | bcl-000 | ISO 639 |
| Tai Dam | blt-000 | ISO 639 |
| bosanski | bos-000 | ISO 639 |
| brezhoneg | bre-000 | ISO 639 |
| binisayang Sinugboanon | ceb-000 | ISO 639 |
| čeština | ces-000 | ISO 639 |
| Chamoru | cha-000 | ISO 639 |
| Chontal | chf-000 | ISO 639 |
| Kernowek | cor-000 | ISO 639 |
| lingua corsa | cos-000 | ISO 639 |
| Tumbalá Chol | ctu-000 | ISO 639 |
| Cymraeg | cym-000 | ISO 639 |
| Dakȟóta | dak-002 | ISO 639 |
| dansk | dan-000 | ISO 639 |
| österreichisches Standarddeutsch | deu-004 | ISO 639 |
| Djinba | djb-000 | ISO 639 |
| dolnoserbska reč | dsb-000 | ISO 639 |
| eesti | ekk-000 | ISO 639 |
| Englisch | enm-000 | ISO 639 |
| Esperanto | epo-000 | ISO 639 |
| euskara | eus-000 | ISO 639 |
| Ɛʋɛgbɛ | ewe-000 | ISO 639 |
| estremeñu | ext-000 | ISO 639 |
| føroyskt | fao-000 | ISO 639 |
| vosa Vakaviti | fij-000 | ISO 639 |
| Wikang Filipino | fil-000 | ISO 639 |
| suomi | fin-000 | ISO 639 |
| français canadien | fra-012 | ISO 639 |
| français acadien | frc-000 | ISO 639 |
| moyen français | frm-000 | ISO 639 |
| Romant | fro-000 | ISO 639 |
| lenga arpitana | frp-000 | ISO 639 |
| Faka Futuna | fud-000 | ISO 639 |
| lenghe furlane | fur-000 | ISO 639 |
| Gàidhlig | gla-000 | ISO 639 |
| galego | glg-000 | ISO 639 |
| yn Ghaelg | glv-000 | ISO 639 |
| diutsch | gmh-000 | ISO 639 |
| Middle Low German | gml-000 | ISO 639 |
| diutisk | goh-000 | ISO 639 |
| Schwizerdütsch | gsw-000 | ISO 639 |
| avañeʼẽ | gug-000 | ISO 639 |
| kreyòl ayisyen | hat-000 | ISO 639 |
| Hausa | hau-000 | ISO 639 |
| ʻōlelo Hawaiʻi | haw-000 | ISO 639 |
| Hopilàvayi | hop-000 | ISO 639 |
| hrvatski | hrv-000 | ISO 639 |
| hornjoserbšćina | hsb-000 | ISO 639 |
| magyar | hun-000 | ISO 639 |
| asụsụ Igbo | ibo-000 | ISO 639 |
| Inuktitut | ike-001 | ISO 639 |
| Iloko | ilo-000 | ISO 639 |
| interlingua | ina-000 | ISO 639 |
| bahasa Indonesia | ind-000 | ISO 639 |
| íslenska | isl-000 | ISO 639 |
| Ixil | ixl-000 | ISO 639 |
| Loglan | jbo-001 | ISO 639 |
| kriolu kabuverdianu | kea-000 | ISO 639 |
| Q’eqchi’ | kek-000 | ISO 639 |
| ikinyarwanda | kin-000 | ISO 639 |
| Kölsch | ksh-000 | ISO 639 |
| Hach tʼan | lac-000 | ISO 639 |
| Ladino | lad-001 | ISO 639 |
| latine | lat-000 | ISO 639 |
| Lingua Latina mediaevalis | lat-002 | ISO 639 |
| Lingua Franca Nova | lfn-000 | ISO 639 |
| lengua lígure | lij-000 | ISO 639 |
| Limburgs | lim-000 | ISO 639 |
| lingála | lin-000 | ISO 639 |
| lietuvių | lit-000 | ISO 639 |
| Lakȟótiyapi | lkt-000 | ISO 639 |
| lingaz ladin | lld-000 | ISO 639 |
| lengua lumbarda | lmo-000 | ISO 639 |
| Latgalīšu | ltg-000 | ISO 639 |
| Lëtzebuergesch | ltz-000 | ISO 639 |
| Oluganda | lug-000 | ISO 639 |
| Ndembu | lun-000 | ISO 639 |
| latviešu | lvs-000 | ISO 639 |
| basa Mathura | mad-000 | ISO 639 |
| Makasar | mak-000 | ISO 639 |
| Mi’gmawi’simg | mic-000 | ISO 639 |
| teny malagasy | mlg-000 | ISO 639 |
| Malti | mlt-000 | ISO 639 |
| Maricopa | mrc-000 | ISO 639 |