Languages
This is a list of languages currently known to the UD infrastructure. Being on the list does not automatically mean there is a treebank of the language in the current UD release. Scripts are identified by their ISO 15924 codes.
| Language | ISO Code | Family | Genus | Script | Documentation | Treebanks in UD 2.18 | |
|---|---|---|---|---|---|---|---|
| 284 | |||||||
 | Abaza | abq | Northwest Caucasian | Northwest Caucasian | Cyrl | doc | ATB |
 | Abkhaz | ab | Northwest Caucasian | Northwest Caucasian | Cyrl | doc | AbNC |
 | Afrikaans | af | Indo-European | Germanic | Latn | doc | AfriBooms |
 | Akkadian | akk | Afro-Asiatic | Semitic | Latn | doc, cmpstats | PISANDUB, RIAO |
 | Akuntsu | aqz | Tupian | Tupari | Latn | doc | TuDeT |
 | Albanian | sq | Indo-European | Albanian | Latn | doc, cmpstats | STAF, TSA |
 | Alemannic | gsw | Indo-European | Germanic | Latn | doc, cmpstats | DIVITAL, UZH |
 | Amharic | am | Afro-Asiatic | Semitic | Ethi | doc | ATT |
 | Ancient Greek | grc | Indo-European | Greek | Grek | doc, cmpstats | PROIEL, PTNK, Perseus |
 | Ancient Hebrew | hbo | Afro-Asiatic | Semitic | Hebr | doc | PTNK |
| Apalai | apy | Cariban | Cariban | Latn | ||
| Apurina | apu | Arawakan | Purus | Latn | doc | UFPA |
 | Arabic | ar | Afro-Asiatic | Semitic | Arab | doc, cmpstats | NYUAD, PADT, PUD |
 | Archaic Irish | pgl | Indo-European | Celtic | Latn | ||
 | Armenian | hy | Indo-European | Armenian | Armn | doc, cmpstats | ArmTDP, BSUT |
 | Assamese | as | Indo-European | Indic | Beng | doc | AiW |
 | Assyrian | aii | Afro-Asiatic | Semitic | Syrc | doc | AS |
 | Azerbaijani | az | Turkic | Southwestern | Latn | doc | TueCL |
 | Babungo | bav | Niger-Congo | Bantoid | Latn | ||
| Balatipone | umo | Bororoan | Bororoan | Latn | ||
 | Balochi | bal | Indo-European | Iranian | Arab | doc | |
 | Bambara | bm | Mande | Western Mande | Latn | doc | CRB |
 | Basque | eu | Basque | Basque | Latn | doc | BDT |
 | Batad Ifugao | ifb | Austronesian | Northern Luzon | Latn | ||
 | Bavarian | bar | Indo-European | Germanic | Latn | doc | MaiBaam |
 | Beja | bej | Afro-Asiatic | Cushitic | Latn | doc | Autogramm |
 | Belarusian | be | Indo-European | Slavic | Cyrl | doc | HSE |
 | Bengali | bn | Indo-European | Indic | Beng | doc | BRU |
| Bhojpuri | bho | Indo-European | Indic | Deva | doc | BHTB |
 | Bokota | sab | Chibchan | Guaymiic | Latn | doc | ChibErgIS |
 | Bonan | peh | Mongolic | Mongolic | Mong | ||
| Bororo | bor | Bororoan | Bororoan | Latn | doc | BDT |
| Brahui | brh | Dravidian | Dravidian | Arab, Latn | doc | Kholum |
 | Breton | br | Indo-European | Celtic | Latn | doc | KEB |
 | Bribri | bzd | Chibchan | Western Isthmic Chibchan | Latn | ||
 | Bulgarian | bg | Indo-European | Slavic | Cyrl | doc | BTB |
 | Buryat | bxr | Mongolic | Mongolic | Cyrl | doc | BDT |
 | Cantonese | yue | Sino-Tibetan | Chinese | Hani | doc | HK |
 | Cappadocian | cpg | Indo-European | Greek | Grek, Latn | doc, cmpstats | AMGiC, TueCL |
 | Catalan | ca | Indo-European | Romance | Latn | doc | AnCora |
| Cebuano | ceb | Austronesian | Greater Central Philippine | Latn | doc | GJA |
 | Central Kurdish | ckb | Indo-European | Iranian | Arab, Latn | doc | Mukri |
 | Central Romani | rmc | Indo-European | Indic | Latn | ||
| Chinese | zh | Sino-Tibetan | Chinese | Hani | doc, cmpstats | Beginner, CFL, GSD, GSDSimp, HK, PUD, PatentChar |
 | Chintang | ctn | Sino-Tibetan | Himalayish | Latn | doc | CTNTB |
 | Chukchi | ckt | Chukotko-Kamchatkan | Northern Chukotko-Kamchatkan | Cyrl | doc | HSE |
 | Classical Armenian | xcl | Indo-European | Armenian | Armn | doc | CAVaL |
 | Classical Chinese | lzh | Sino-Tibetan | Chinese | Hani | doc, cmpstats | Kyoto, TueCL |
 | Classical Nahuatl | nci | Uto-Aztecan | Aztecan | Latn | doc | |
 | Coptic | cop | Afro-Asiatic | Egyptian | Copt | doc, cmpstats | Bohairic, Scriptorium |
 | Corsican | co | Indo-European | Romance | Latn | ||
 | Croatian | hr | Indo-European | Slavic | Latn | doc | SET |
 | Cuicatec | cux | Oto-Manguean | Cuicatec | Latn | ||
 | Cusco Quechua | quz | Quechuan | Quechuan | Latn | ||
 | Czech | cs | Indo-European | Slavic | Latn | doc, cmpstats | CAC, CLTT, FicTree, PDTC, PUD, Poetry |
 | Danish | da | Indo-European | Germanic | Latn | doc | DDT |
 | Dargwa | dar | Nakh-Daghestanian | Lak-Dargwa | Cyrl | ||
| Daur | dta | Mongolic | Mongolic | Mong | ||
| Dongxiang | sce | Mongolic | Mongolic | Mong | ||
 | Dutch | nl | Indo-European | Germanic | Latn | doc, cmpstats | Alpino, LassySmall |
 | Egyptian | egy | Afro-Asiatic | Egyptian | Latn | doc | PC |
| Enawene Nawe | unk | Arawakan | Central Arawakan | Latn | ||
 | English | en | Indo-European | Germanic | Latn | doc, cmpstats | Atis, CHILDES, CTeTex, ESLSpok, EWT, GENTLE, GUM, GUMReddit, LinES, LittlePrince, PUD, ParTUT, Pronouns |
 | Erzya | myv | Uralic | Mordvin | Cyrl | doc | JR |
 | Esperanto | eo | Constructed | Constructed | Latn | doc, cmpstats | Cairo, Prago |
 | Estonian | et | Uralic | Finnic | Latn | doc, cmpstats | EDT, EWT |
 | Even | eve | Tungusic | Tungusic | Cyrl | ||
 | Evenki | evn | Tungusic | Tungusic | Cyrl | ||
 | Faroese | fo | Indo-European | Germanic | Latn | doc, cmpstats | FarPaHC, OFT |
 | Finnish | fi | Uralic | Finnic | Latn | doc, cmpstats | FTB, OOD, PUD, TDT |
 | French | fr | Indo-European | Romance | Latn | doc, cmpstats | ALTS, FQB, GSD, PUD, ParTUT, ParisStories, PoitevinDIVITAL, Rhapsodie, Sequoia |
| French Sign Language | fsl | Sign Language | Sign Language | Latn | ||
 | Frisian | fy | Indo-European | Germanic | Latn | ||
| Frisian Dutch | qfn | Code switching | Code switching | Latn | doc | Fame |
 | Ga | gqa | Afro-Asiatic | Biu-Mandara | Latn | ||
 | Galician | gl | Indo-European | Romance | Latn | doc, cmpstats | CTG, PUD, TreeGal |
| Gedeo | drs | Afro-Asiatic | Cushitic | Ethi | ||
 | Georgian | ka | Kartvelian | Kartvelian | Geor | doc, cmpstats | GLC, GNC |
 | German | de | Indo-European | Germanic | Latn | doc, cmpstats | GSD, HDT, LIT, PUD |
| Gheg | aln | Indo-European | Albanian | Latn | doc | GPS |
 | Gilaki | glk | Indo-European | Iranian | Arab | ||
 | Gorontalo | gor | Austronesian | Greater Central Philippine | Latn | doc | BungoLoLombi |
 | Gothic | got | Indo-European | Germanic | Latn | doc | PROIEL |
| Greek | el | Indo-European | Greek | Grek | doc, cmpstats | Cretan, GDT, GLCII, GUD, Lesbian, Messinian |
| Guajajara | gub | Tupian | Maweti-Guarani | Latn | doc | TuDeT |
 | Guarani | gn | Tupian | Maweti-Guarani | Latn | doc | OldTuDeT |
| Gujarati | gu | Indo-European | Indic | Gujr | doc | GujTB |
 | Gwichin | gwi | Na-Dene | Athapaskan | Latn | doc | TueCL |
 | Haitian Creole | ht | Creole | Creole | Latn | doc, cmpstats | Adolphe, Autogramm |
| Hausa | ha | Afro-Asiatic | West Chadic | Latn | doc, cmpstats | EasternAutogramm, NorthernAutogramm, SouthernAutogramm, WesternAutogramm |
| Hebrew | he | Afro-Asiatic | Semitic | Hebr | doc, cmpstats | HTB, IAHLTknesset, IAHLTwiki, PostRab |
| Highland Puebla Nahuatl | azz | Uto-Aztecan | Aztecan | Latn | doc | ITML |
| Hiligaynon | hil | Austronesian | Greater Central Philippine | Latn | ||
| Hindi | hi | Indo-European | Indic | Deva | doc, cmpstats | HDTB, PUD |
| Hindi English | qhe | Code switching | Code switching | Latn | ||
 | Hittite | hit | Indo-European | Anatolian | Latn | doc | HitTB |
| Huave | huv | Huavean | Huavean | Latn | ||
 | Hungarian | hu | Uralic | Ugric | Latn | doc | Szeged |
 | Icelandic | is | Indo-European | Germanic | Latn | doc, cmpstats | GC, IcePaHC, Modern, PUD |
 | Ika | arh | Chibchan | Arhuacic | Latn | doc | ChibErgIS |
| Indonesian | id | Austronesian | Malayo-Sumbawan | Latn | doc, cmpstats | CSUI, GSD, PUD |
 | Irish | ga | Indo-European | Celtic | Latn | doc, cmpstats | Cadhan, IDT, TwittIrish |
 | Italian | it | Indo-European | Romance | Latn | doc, cmpstats | ISDT, KIParlaForest, MarkIT, Old, PUD, ParTUT, ParlaMint, PoSTWITA, TWITTIRO, VIT, Valico |
 | Japanese | ja | Japanese | Japanese | Jpan | doc, cmpstats | BCCWJ, BCCWJLUW, GSD, GSDLUW, PUD, PUDLUW |
| Javanese | jv | Austronesian | Javanese | Latn | doc | CSUI |
| Kaapor | urb | Tupian | Maweti-Guarani | Latn | doc | TuDeT |
 | Kabyle | kab | Afro-Asiatic | Berber | Latn | ||
| Kadiweu | kbc | Guaicuruan | Kadiweu | Latn | doc | Unicamp |
 | Kalmyk | xal | Mongolic | Mongolic | Cyrl | ||
| Kangri | xnr | Indo-European | Indic | Deva | doc | KDTB |
| Kannada | kn | Dravidian | Dravidian | Knda | ||
 | Karelian | krl | Uralic | Finnic | Latn | doc | KKPP |
| Karo | arr | Tupian | Ramarama | Latn | doc | TuDeT |
 | Kazakh | kk | Turkic | Northwestern | Cyrl | doc | KTB |
 | Khoekhoe | naq | Khoe-Kwadi | Khoe-Kwadi | Latn | doc | KDT |
| Khunsari | kfm | Indo-European | Iranian | Arab | doc | |
 | Kiche | quc | Mayan | Mayan | Latn | doc | IU |
 | Kiga | cgg | Niger-Congo | Bantoid | Latn | ||
 | Komi | kv | Uralic | Permic | Perm | ||
 | Komi Permyak | koi | Uralic | Permic | Cyrl | doc | UH |
| Komi Zyrian | kpv | Uralic | Permic | Cyrl | doc, cmpstats | IKDP, Lattice |
 | Korean | ko | Korean | Korean | Hang | doc, cmpstats | GSD, KSL, Kaist, LittlePrince, PUD |
 | Koromfe | kfz | Niger-Congo | Northern-Central Gur | Latn | ||
| Kullvi | kfx | Indo-European | Indic | Deva | ||
 | Kyrgyz | ky | Turkic | Northwestern | Cyrl | doc, cmpstats | KTMU, TueCL |
| Ladino | lad | Indo-European | Romance | Hebr | ||
| Lango | laj | Eastern Sudanic | Nilotic | Latn | ||
 | Latgalian | ltg | Indo-European | Baltic | Latn | doc | Cairo |
 | Latin | la | Indo-European | Italic | Latn | doc, cmpstats | CIRCSE, ITTB, LLCT, PROIEL, Perseus, UDante |
 | Latvian | lv | Indo-European | Baltic | Latn | doc, cmpstats | Cairo, LVTB |
| Laz | lzz | Kartvelian | Kartvelian | Latn | ||
| Lezgian | lez | Nakh-Daghestanian | Lezgic | Cyrl | ||
 | Ligurian | lij | Indo-European | Romance | Latn | doc | GLT |
 | Lithuanian | lt | Indo-European | Baltic | Latn | doc, cmpstats | ALKSNIS, HSE |
| Livvi | olo | Uralic | Finnic | Latn | doc | KKPP |
 | Low Saxon | nds | Indo-European | Germanic | Latn | doc | LSDC |
 | Luxembourgish | lb | Indo-European | Germanic | Latn | doc | LuxBank |
 | Macedonian | mk | Indo-European | Slavic | Cyrl | doc | MTB |
| Madi | jaa | Arawan | Arawan | Latn | doc | Jarawara |
| Magahi | mag | Indo-European | Indic | Deva | ||
| Maghrebi Arabic French | qaf | Code switching | Code switching | Latn | doc | Arabizi |
| Makurap | mpu | Tupian | Tupari | Latn | doc | TuDeT |
 | Malagasy | mg | Austronesian | Barito | Latn | ||
| Malayalam | ml | Dravidian | Dravidian | Mlym | doc | UFAL |
 | Maltese | mt | Afro-Asiatic | Semitic | Latn | doc | MUDT |
| Manchu | mnc | Tungusic | Tungusic | Mong | ||
| Mandyali | mjl | Indo-European | Indic | Deva | doc | |
 | Mansi | mns | Uralic | Ugric | Cyrl | ||
 | Manx | gv | Indo-European | Celtic | Latn | doc | Cadhan |
| Marathi | mr | Indo-European | Indic | Deva | doc, cmpstats | CMUPAN, UFAL |
 | Mauka | mxx | Mande | Western Mande | Latn | ||
| Mbya Guarani | gun | Tupian | Maweti-Guarani | Latn | doc | Thomas |
| Megrelian | xmf | Kartvelian | Kartvelian | Geor | doc | |
 | Middle Armenian | axm | Indo-European | Armenian | Armn | doc | ArmTDP |
 | Middle French | frm | Indo-European | Romance | Latn | doc, cmpstats | ALTM, PROFITEROLE |
| Middle Irish | mga | Indo-European | Celtic | Latn | ||
 | Middle Persian | pal | Indo-European | Iranian | Arab | ||
| Mizo | lus | Sino-Tibetan | Kuki-Chin | Latn | ||
 | Mojave | mov | Hokan | Yuman | Latn | ||
 | Moksha | mdf | Uralic | Mordvin | Cyrl | doc | JR |
 | Mongolian | mn | Mongolic | Mongolic | Cyrl | ||
| Munduruku | myu | Tupian | Munduruku | Latn | doc | TuDeT |
 | Muruwari | zmu | Pama-Nyungan | Southeastern Pama-Nyungan | Latn | ||
| Naga | nmf | Sino-Tibetan | Tangkhul-Maring | Latn | doc | Suansu |
| Naija | pcm | Creole | Creole | Latn | doc | NSC |
 | Nanai | gld | Tungusic | Tungusic | Cyrl | ||
| Nayini | nyq | Indo-European | Iranian | Arab | doc | |
 | Ndengeleko | ndg | Niger-Congo | Bantoid | Latn | ||
 | Neapolitan | nap | Indo-European | Romance | Latn | doc | RB |
| Negidal | neg | Tungusic | Tungusic | Cyrl | ||
 | Nenets | yrk | Uralic | Samoyedic | Cyrl | doc | Tundra |
| Nepali | ne | Indo-European | Indic | Deva | doc | BK |
| Nheengatu | yrl | Tupian | Maweti-Guarani | Latn | doc | CompLin |
| Nkore | nyn | Niger-Congo | Bantoid | Latn | ||
 | North Sami | sme | Uralic | Sami | Latn | doc | Giella |
| Northern Kurdish | kmr | Indo-European | Iranian | Latn | doc | Kurmanji |
| Northern Luri | lrc | Indo-European | Iranian | Arab | doc | |
 | Northwest Gbaya | gya | Niger-Congo | Gbaya-Manza-Ngbaka | Latn | doc | Autogramm |
 | Norwegian | no | Indo-European | Germanic | Latn | doc, cmpstats | Bokmaal, Nynorsk |
 | Occitan | oc | Indo-European | Romance | Latn | doc | TTB |
| Odia | or | Indo-European | Indic | Orya | doc | ODTB |
 | Old Church Slavonic | cu | Indo-European | Slavic | Cyrl | doc | PROIEL |
 | Old East Slavic | orv | Indo-European | Slavic | Cyrl | doc, cmpstats | Birchbark, RNC, Ruthenian, TOROT |
 | Old English | ang | Indo-European | Germanic | Latn | doc | Cairo |
| Old French | fro | Indo-European | Romance | Latn | doc, cmpstats | ALTM, PROFITEROLE |
| Old Georgian | oge | Kartvelian | Kartvelian | Geor | doc | GLC |
| Old Irish | sga | Indo-European | Celtic | Latn | doc, cmpstats | DipSGG, DipWBG |
| Old Japanese | ojp | Japanese | Japanese | Jpan | doc | |
| Old Occitan | pro | Indo-European | Romance | Latn | doc | CorAG |
 | Old Saxon | osx | Indo-European | Germanic | Latn | doc | |
 | Old Turkish | otk | Turkic | Northeastern | Orkh | doc | Clausal |
| Oroch | oac | Tungusic | Tungusic | Cyrl | ||
| Ottoman Turkish | ota | Turkic | Southwestern | Latn | doc, cmpstats | BOUN, DUDU, TueCL |
| Palenquero | pln | Creole | Creole | Latn | ||
| Pali | pi | Indo-European | Indic | Deva | ||
 | Papiamento | pap | Creole | Creole | Latn | ||
 | Pashto | ps | Indo-European | Iranian | Arab | doc, cmpstats | Prince, Sikaram |
| Paumari | pad | Arawan | Arawan | Latn | doc | TueCL |
| Peripheral Mongolian | mvf | Mongolic | Mongolic | Mong | doc | |
| Persian | fa | Indo-European | Iranian | Arab | doc, cmpstats | PerDT, Seraji |
 | Pesh | pay | Chibchan | Pesh | Latn | doc | ChibErgIS |
| Phrygian | xpg | Indo-European | Greek | Grek | doc | KUL |
| Pnar | pbv | Austro-Asiatic | Khasian | Latn | ||
 | Polish | pl | Indo-European | Slavic | Latn | doc, cmpstats | LFG, MPDT, PDB, PUD |
 | Pomak | qpm | Indo-European | Slavic | Latn | doc | Philotis |
 | Pontic | pnt | Indo-European | Greek | Grek | ||
 | Portuguese | pt | Indo-European | Romance | Latn | doc, cmpstats | Bosque, CINTIL, DANTEStocks, GSD, PUD, PetroGold, Porttinari |
| Prakrit | pra | Indo-European | Indic | Deva | doc | |
| Punjabi | pa | Indo-European | Indic | Guru, Arab | doc, cmpstats | CS, Rang |
| Puno Quechua | qxp | Quechuan | Quechuan | Latn | ||
| Purki | prx | Sino-Tibetan | Bodic | Latn | ||
 | Romanian | ro | Indo-European | Romance | Latn, Cyrl | doc, cmpstats | ArT, MolDoRo, Nonstandard, RRT, SiMoNERo, TueCL |
| Romansh | rm | Indo-European | Romance | Latn | ||
 | Russian | ru | Indo-European | Slavic | Cyrl | doc, cmpstats | GSD, PUD, Poetry, SynTagRus, Taiga |
| Ruuli | ruc | Niger-Congo | Bantoid | Latn | doc | RDT |
| Sanskrit | sa | Indo-European | Indic | Deva, Latn | doc, cmpstats | UFAL, Vedic |
 | Sardinian | sc | Indo-European | Romance | Latn | doc | |
 | Scottish Gaelic | gd | Indo-European | Celtic | Latn | doc | ARCOSG |
 | Serbian | sr | Indo-European | Slavic | Latn | doc | SET |
| Seri | sei | Hokan | Seri | Latn | ||
| Shanghainese | wuu | Sino-Tibetan | Chinese | Hani | doc | ShUD |
| Shipibo Konibo | shp | Pano-Tacanan | Panoan | Latn | ||
 | Sicilian | scn | Indo-European | Romance | Latn | doc | STB |
| Sindhi | sd | Indo-European | Indic | Arab | doc | Isra |
 | Sinhala | si | Indo-European | Indic | Sinh | doc, cmpstats | Appuwa, STB |
| Skolt Sami | sms | Uralic | Sami | Latn | doc | Giellagas |
 | Slovak | sk | Indo-European | Slavic | Latn | doc | SNK |
 | Slovenian | sl | Indo-European | Slavic | Latn | doc, cmpstats | SSJ, SST |
| Soi | soj | Indo-European | Iranian | Arab | doc | |
 | Somali | so | Afro-Asiatic | Cushitic | Latn | ||
 | South Levantine Arabic | ajp | Afro-Asiatic | Semitic | Arab | doc | MADAR |
| Southern Kurdish | sdh | Indo-European | Iranian | Arab, Latn | doc | Garrusi |
 | Spanish | es | Indo-European | Romance | Latn | doc, cmpstats | AnCora, COSER, GSD, PUD |
| Spanish English | qee | Code switching | Code switching | Latn | ||
| Spanish Sign Language | ssp | Sign Language | Sign Language | Latn | doc | LSE |
| Sumerian | sux | Sumerian | Sumerian | Latn | ||
| Swahili | sw | Niger-Congo | Bantoid | Latn | ||
 | Swedish | sv | Indo-European | Germanic | Latn | doc, cmpstats | LinES, Old, PUD, SweLL, Talbanken |
| Swedish Sign Language | swl | Sign Language | Sign Language | Latn | doc | SSLC |
| Tagabawa | bgs | Austronesian | Greater Central Philippine | Latn | ||
| Tagalog | tl | Austronesian | Greater Central Philippine | Latn | doc, cmpstats | TRG, Ugnayan |
| Tamil | ta | Dravidian | Dravidian | Taml | doc, cmpstats | MWTT, TTB |
 | Tatar | tt | Turkic | Northwestern | Cyrl | doc | NMCTT |
| Teko | eme | Tupian | Maweti-Guarani | Latn | doc | TuDeT |
| Telugu | te | Dravidian | Dravidian | Telu | doc | MTG |
| Telugu English | qte | Code switching | Code switching | Latn | doc | TECT |
 | Tetun | tdt | Austronesian | Central Malayo-Polynesian | Latn | ||
 | Thai | th | Tai-Kadai | Kam-Tai | Thai | doc, cmpstats | PUD, TUD |
 | Tigrinya | ti | Afro-Asiatic | Semitic | Ethi | ||
| Torwali | trw | Indo-European | Indic | Arab | ||
 | Tswana | tn | Niger-Congo | Bantoid | Latn | doc | Popapolelo |
| Tu | mjg | Mongolic | Mongolic | Mong | ||
 | Tunisian Arabic | aeb | Afro-Asiatic | Semitic | Arab | ||
| Tupinamba | tpn | Tupian | Maweti-Guarani | Latn | doc | TuDeT |
| Turkish | tr | Turkic | Southwestern | Latn | doc, cmpstats | Atis, BOUN, FrameNet, GB, IMST, Kenet, PUD, Penn, Tourism, TueCL |
| Turkish English | qti | Code switching | Code switching | Latn | doc | BUTR |
| Turkish German | qtd | Code switching | Code switching | Latn | doc | SAGT |
 | Turkmen | tk | Turkic | Southwestern | Latn | ||
 | Tuwari | tww | Sepik | Sepik | Latn | ||
| Udihe | ude | Tungusic | Tungusic | Cyrl | ||
 | Ukrainian | uk | Indo-European | Slavic | Cyrl | doc, cmpstats | IU, ParlaMint |
| Ulch | ulc | Tungusic | Tungusic | Cyrl | ||
 | Umbrian | xum | Indo-European | Italic | Latn | doc | IKUVINA |
 | Upper Sorbian | hsb | Indo-European | Slavic | Latn | doc | UFAL |
| Urdu | ur | Indo-European | Indic | Arab | doc | UDTB |
| Uspanteko | usp | Mayan | Mayan | Latn | ||
| Uyghur | ug | Turkic | Southeastern | Arab | doc | UDT |
 | Uzbek | uz | Turkic | Southeastern | Latn | doc, cmpstats | TueCL, UT, UzUDT |
 | Veps | vep | Uralic | Finnic | Latn | doc | VWT |
 | Vietnamese | vi | Austro-Asiatic | Viet-Muong | Latn | doc, cmpstats | TueCL, VTB |
| Warlpiri | wbp | Pama-Nyungan | Western Pama-Nyungan | Latn | doc | UFAL |
 | Welsh | cy | Indo-European | Celtic | Latn | doc | CCG |
| Western Armenian | hyw | Indo-European | Armenian | Armn | doc | ArmTDP |
| Western Sierra Puebla Nahuatl | nhi | Uto-Aztecan | Aztecan | Latn | doc | MesoTree |
 | Wolof | wo | Niger-Congo | Northern Atlantic | Latn | doc | WTB |
| Xavante | xav | Macro-Je | Je Central | Latn | doc | XDT |
| Xibe | sjo | Tungusic | Tungusic | Mong | doc | XDT |
 | Yakut | sah | Turkic | Northeastern | Cyrl | doc | YKTDT |
 | Yiddish | yi | Indo-European | Germanic | Hebr | doc | YiTB |
| Yoruba | yo | Niger-Congo | Defoid | Latn | doc | YTB |
| Yukulta | gcd | Tangkic | Tangkic | Latn | ||
| Yupik | ess | Eskimo-Aleut | Eskimo | Latn | doc | SLI |
| Zaar | say | Afro-Asiatic | West Chadic | Latn | doc | Autogramm |
| Zazaki | zza | Indo-European | Iranian | Latn | doc | ZSD |