|
| !Xóõ or Taa | Khoisan |
|
| 'Are'are | Malayo-Polynesian |
| 'Auhelawa | Malayo-Polynesian |
|
| A-Pucikwar | Great Andamanese |
| A'Tong | Tibeto-Burman |
| Aari | Omotic |
| Abanyom | Bantu |
| Abaza | Northwest Caucasian |
| Abenaki | Eastern Algonquian |
| Abkhaz or Abkhazian | Northwest Caucasian |
| Abujmaria or Madiya or Maria | Dravidian |
| Acehnese | Malayo-Polynesian |
| Adamorobe Sign Language | Language isolate |
| Adele | Kwa |
| Adyghe or West Circassian | Northwest Caucasian |
| Afar | Cushitic |
| Afrikaans | Germanic |
| Afro-Seminole Creole | English-based creole |
| Aguaruna | Chicham |
| Ahom | Kra–Dai |
| Aimaq or Barbari | Iranian |
| Ainu, Hokkaido | Ainu |
| Ainu, Kuril | Ainu |
| Ainu, Sakhalin | Ainu |
| Ajawa | Chadic |
| Ajem-Turkic or Ajami Turkic | Turkic |
| Aka-Bea | Great Andamanese |
| Aka-Bo | Great Andamanese |
| Aka-Cari | Great Andamanese |
| Aka-Jeru | Great Andamanese |
| Aka-Kede | Great Andamanese |
| Aka-Kol | Great Andamanese |
| Aka-Kora | Great Andamanese |
| Akan | Kwa |
| Akar-Bale | Great Andamanese |
| Akateko | Mayan |
| Akawaio | Cariban |
| Akkadian | Semitic |
| Aklanon | Bisayan |
| Alabama | Muskogean |
| Albanian | Indo-European |
| Alchuka | Tungusic |
| Aleut | Eskimo–Aleut |
| Algonquin | Algonquian |
| Alsatian | Germanic |
| Altay | Turkic |
| Alyutor or Alutor | Chukotko-Kamchatkan |
| Alzenau German | Germanic |
| Amdang | Nilo-Saharan |
| American Sign Language | Francosign |
| Amharic | Semitic |
| Ammonite | Semitic |
| Amorite | Semitic |
| Amuzgo | Oto-Manguean |
| Angami Naga Sign Language | Language isolate |
| Angika | Indo-Aryan |
| Anyin | Kwa |
| Ao | Tibeto-Burman |
| Aquitanian | Basque |
| Arabic | Semitic |
| Arabic, Algerian | Semitic |
| Arabic, Algerian Saharan | Semitic |
| Arabic, Anatolian | Semitic |
| Arabic, Andalusian or Andalusi Arabic | Semitic |
| Arabic, Bahrani | Semitic |
| Arabic, Bareqi | Semitic |
| Arabic, Bimbashi or Mongallese | Semitic |
| Arabic, Central Asian | Semitic |
| Arabic, Chadian | Semitic |
| Arabic, Classical | Semitic |
| Arabic, Cypriot | Semitic |
| Arabic, Dhofari | Semitic |
| Arabic, Egyptian | Semitic |
| Arabic, Gilit | Semitic |
| Arabic, Gulf | Semitic |
| Arabic, Hadhrami | Semitic |
| Arabic, Hassaniya | Semitic |
| Arabic, Hejazi | Semitic |
| Arabic, Jebli | Semitic |
| Arabic, Jijel | Semitic |
| Arabic, Juba or South Sudanese Arabic | Semitic |
| Arabic, Judeo-Iraqi or Yahudic | Semitic |
| Arabic, Judeo-Moroccan | Semitic |
| Arabic, Judeo-Tripolitanian | Semitic |
| Arabic, Judeo-Yemeni | Semitic |
| Arabic, Khuzestani | Semitic |
| Arabic, Levantine | Semitic |
| Arabic, Libyan | Semitic |
| Arabic, Maridi | Semitic |
| Arabic, Modern Standard | Semitic |
| Arabic, Moroccan | Semitic |
| Arabic, Nabataean | Semitic |
| Arabic, Najdi | Semitic |
| Arabic, Qeltu or North Mesopotamian Arabic | Semitic |
| Arabic, Northwest Arabian, Levantine Bedawi Arabic, or Eastern Egyptian Bedawi Arabic | Semitic |
| Arabic, Nubi or Ki-Nubi | Semitic |
| Arabic, Omani | Semitic |
| Arabic, Sanʽani | Semitic |
| Arabic, Saʽidi | Semitic |
| Arabic, Shihhi | Semitic |
| Arabic, Shirvani | Semitic |
| Arabic, Sicilian or Siculo-Arabic | Semitic |
| Arabic, Sudanese | Semitic |
| Arabic, Taʽizzi-Adeni or Southern Yemeni Arabic | Semitic |
| Arabic, Tihamiyya | Semitic |
| Arabic, Tunisian | Semitic |
| Aragonese | Romance |
| Aramaic | Semitic |
| Are | Malayo-Polynesian |
| Argobba | Semitic |
| Arin | Yeniseian |
| Aromanian | Romance |
| Armazic | Semitic |
| Armenian | Indo-European |
| Armenian, Eastern | Armenian |
| Armenian, Western | Armenian |
| Arvanitika or Arvanitic | Albanian |
| Ashkun | Indo-Iranian |
| Assamese | Indo-Iranian |
| Assyrian Neo-Aramaic | Semitic |
| Ateso or Teso | Nilotic |
| Asháninka | Arawakan |
| Ashokan Prakrit | Indo-Aryan |
| Asi | Malayo-Polynesian |
| Asturian | Romance |
| Asturleonese | Romance |
| Auslan | BANZSL |
| Austro-Bavarian | Germanic |
| Avar | Northeast Caucasian |
| Avestan | Iranian |
| Awadhi | Indo-Iranian |
| Aymara | Aymaran |
| Äynu | Turkic |
| Ayoreo | Zamucoan |
| Azerbaijani or Azeri | Turkic |
|
| Babuza | Western Plains Formosan |
| Bactrian | Iranian |
| Badaga | Dravidian |
| Badeshi | Indo-Iranian |
| Baekje | Unclassified language, perhaps Koreanic, Puyŏ, and/or Han |
| Bahnar | Austroasiatic |
| Bailang | Lolo-Burmese |
| Bala | Tungusic |
| Balinese | Malayo-Polynesian |
| Balochi | Indo-Iranian |
| Balti | Tibeto-Burman |
| Bambara or Bamanankan | Mande |
| Banjar | Malayo-Polynesian |
| Banyumasan | Malayo-Polynesian |
| Barranquenho or Barranquenhu | Alentejan Portuguese, Extremaduran Spanish, and Andalusian Spanish-based mixed language |
| Bartangi | Iranian |
| Basaa | Bantu |
| Basay | East Formosan |
| Bashkardi | Iranian |
| Bashkir | Turkic |
| Ba–Shu Chinese | Sinitic |
| Basque or Euskara/Euskera | Language isolate |
| Batak Karo | Malayo-Polynesian |
| Batak Toba | Malayo-Polynesian |
| Bats | North Caucasian |
| Bawean and Bawean Creole | Madurese |
| Beja | Cushitic |
| Belarusian | Slavic |
| Belhare | Tibeto-Burman |
| Berta | Nilo-Saharan |
| Bemba | Bantu |
| Bengali | Indo-Aryan |
| Bezhta | Northeast Caucasian |
| Berber | Afroasiatic |
| Betawi | Malayo-Polynesian |
| Bete | Niger–Congo |
| Bété | Niger–Congo |
| Bhili | Indo-Aryan |
| Bhojpuri | Indo-Aryan |
| Bijil Neo-Aramaic | Semitic |
| Bikol | Malayo-Polynesian |
| Bikya or Furu | Bantu |
| Bissa | Mande |
| Blackfoot | Algonquian |
| Bodo | Bodo |
| Boholano | Malayo-Polynesian |
| Bohtan Neo-Aramaic | Semitic |
| Bonan or Paoan | Mongolic |
| Bororo | Bororoan |
| Bosnian | Slavic |
| Brahui | Dravidian |
| Breton | Celtic |
| British Sign Language | BANZSL |
| Bru | Austroasiatic |
| Bua | Niger–Congo |
| Buginese | Malayo-Polynesian |
| Bukusu | Bantu |
| Bulgar | Turkic |
| Bulgarian | Slavic |
| Bunjevac | Slavic |
| Burmese | Tibeto-Burman |
| Burushaski | Language isolate |
| Buryat | Mongolic |
| Buyeo | Puyŏ |
|
| Caluyanon or Caluyanun | Malayo-Polynesian |
| Canaano-Akkadian | Akkadian and Canaanite-based mixed language |
| Cantonese | Sinitic |
| Cape Verdean Creole or Kabuverdianu | Portuguese-based creole |
| Carrier or Dakelh | Athabaskan |
| Catalan | Romance |
| Catalan Sign Language | Catalan Sign |
| Cavineña | Tacanan |
| Cayuga | Iroquoian |
| Cebuano | Malayo-Polynesian |
| Chabacano or Chavacano | Creole (Spanish-based) |
| Chaga or Kichagga | Bantu |
| Chagatai | Turkic |
| Chakavian | Slavic |
| Chakma | Indo-Aryan |
| Chaldean Neo-Aramaic | Semitic |
| Cham | Chamic |
| Chamorro or Chamoru | Malayo-Polynesian |
| Chaouia or Tachawit | Berber |
| Chatino | Oto-Manguean |
| Chechen | Northeast Caucasian |
| Chenchu | Dravidian |
| Chenoua | Berber |
| Cherokee | Iroquoian |
| Cheyenne | Algonquian |
| Chhattisgarhi | Indo-Aryan |
| Chichimeca Jonaz | Oto-Manguean |
| Chickasaw | Muskogean |
| Chinese Kyakala | Tungusic |
| Chintang or Chhintang | Kiranti |
| Chilcotin or Tsilhqot'in | Athabaskan |
| Chinantec | Oto-Manguean |
| Chinese | Sinitic |
| Chinese Kyakala | Tungusic |
| Chiricahua or Mescalero-Chiricahua Apache | Athabaskan |
| Chichewa or Nyanja | Bantu |
| Chimané or Tsimané or Mosetén | Language isolate |
| Chipaya | Uru-Chipaya |
| Chipewyan | Athabaskan |
| Chiquimulilla | Xincan |
| Chiquitano | Language isolate |
| Chittagonian | Indo-Aryan |
| Chocho or Chocholtec | Oto-Manguean |
| Choctaw | Muskogean |
| Ch'ol | Mayan |
| Chontal de Oaxaca | Tequistlatecan |
| Chontal de Tabasco | Mayan |
| Chorasmian or Khwarezmian | Iranian |
| Christian Palestinian Aramaic | Semitic |
| Chuj | Mayan |
| Chukchi or Chukot | Chukotko-Kamchatkan |
| Chulym | Turkic |
| Church Slavonic | Slavic |
| Chuukese or Trukese | Malayo-Polynesian |
| Chuvan | Yukaghir |
| Chuvash | Turkic |
| Cochin Portuguese Creole or Vypin Indo-Portuguese | Portuguese-based creole language |
| Cocoma or Cocama | Tupian |
| Cocopah | Yuman-Cochimí |
| Coeur d’Alene | Salishan |
| Comanche | Uto-Aztecan |
| Comorian | Bantu |
| Coptic | Egyptian |
| Cora | Uto-Aztecan |
| Cornish | Celtic |
| Corsican | Romance |
| Cree | Algonquian |
| Cree, East or James Bay Cree | Algonquian |
| Cree, Moose | Algonquian |
| Cree, Plains | Algonquian |
| Cree, Swampy | Algonquian |
| Cree, Woods or Woodland Cree | Algonquian |
| Crimean Tatar or Crimean Turkish | Turkic |
| Croatian | Slavic |
| Cuicatec | Oto-Manguean |
| Cuyonon | Malayo-Polynesian |
| Czech | Slavic |
|
| Dadanitic | Semitic |
| Dagaare | Niger-Congo |
| Dagbani | Gur |
| Dahlik | Semitic |
| Dalecarlian | Germanic |
| Dalmatian | Romance |
| Dameli | Indo-Aryan |
| Danish | Germanic |
| Dargin | Northeast Caucasian |
| Dari or Dari Persian | Iranian |
| Daur or Dagur | Mongolic |
| Daylami | Iranian |
| Dena'ina or Tanaina | Athapaskan |
| Dhatki | Indo-Aryan |
| Dhivehi or Maldivian | Indo-Aryan |
| Dicamay Agta | Northern Luzon |
| Dida | Kru |
| Dioula or Jula | Mande |
| Dogri | Indo-Aryan |
| Dogrib or Tli Cho | Athapaskan |
| Dolgan | Turkic |
| Domaaki or Dumaki | Indo-Aryan |
| Dongxiang or Santa | Mongolic |
| Duala | Bantu |
| Dungan | Sinitic |
| Dura | Greater Magaric |
| Dutch | Germanic |
| Dzhidi or Judeo-Persian | Iranian |
| Dzongkha | Tibetic |
|
| Eblaite | Semitic |
| Edomite | Semitic |
| Egyptian | Afroasiatic |
| Ekoti | Bantu |
| Elfdalian | Germanic |
| Enets or Yenisey Samoyed | Samoyedic |
| English | Germanic |
| Erzya | Uralic |
| Estonian | Uralic |
| Even | Tungusic |
| Evenk or Evenki | Tungusic |
| Ewe | Volta–Niger |
| Extremaduran | Romance |
|
| Faetar or Faetar–Cigliàje | Romance |
| Faifi | Semitic |
| Faliscan | Latino-Faliscan |
| Fang | Bantu |
| Faroese | Germanic |
| Favorlang | Western Plains Formosan |
| Fijian | Malayo-Polynesian |
| Filipino | Central Philippine |
| Finland-Swedish Sign Language | Swedish Sign |
| Finnish | Uralic |
| Finnish Sign Language | Swedish Sign |
| Flemish | Germanic |
| Flemish, East | Germanic |
| Flemish, French | Germanic |
| Flemish, West | Germanic |
| Foodo | Kwa |
| Fon | Kwa |
| Franco-Provençal or Arpitan | Romance |
| French | Romance |
| French Sign Language | Francosign |
| Frisian, East | Germanic |
| Frisian, Hindeloopen | Germanic |
| Frisian, North | Germanic |
| Frisian, Saterland | Germanic |
| Frisian, Schiermonnikoog | Germanic |
| Frisian, Terschelling | Germanic |
| Frisian, West or Mainland West Frisian | Germanic |
| Friulian | Romance |
| Fula, Fulfulde, or Fulani | Senegambian |
| Fur | Nilo-Saharan |
| Futunan | Polynesian |
| Futuna-Aniwa | Polynesian |
|
| Ga | Kwa |
| Gadaba | Dravidian |
| Gagauz | Turkic |
| Galatian | Celtic |
| Galician | Romance |
| Galindian | Baltic |
| Gan Chinese | Sinitic |
| Ganda | Bantu |
| Gangte | Kuki-Chin |
| Garhwali | Indo-Aryan |
| Gaya | Unclassified language |
| Gayo | Malayo-Polynesian |
| Gen or Gẽ or Mina | Volta–Niger |
| Georgian | South Caucasian |
| German | Germanic |
| German Sign Language | DGSic |
| Gikuyu or Kikuyu | Bantu |
| Gilbertese or Kiribati | Malayo-Polynesian |
| Gilaki | Iranian |
| Gitxsan | Tsimshianic |
| Goaria | Indo-Aryan |
| Goguryeo | Puyŏ |
| Gondi | Dravidian |
| Gorani language (Našinski) | Slavic |
| Gorani or Hawrami | Kurdish |
| Gawar-Bati or Gowari or Narsati | Indo-Aryan |
| Greenlandic or Kalaallisut | Eskaleut |
| Greenlandic Norse | Germanic |
| Greek | Hellenic |
| Greek, Aeolic | Hellenic |
| Greek, Apulian or Griko | Hellenic |
| Greek, Ancient Macedonian | Hellenic |
| Greek, Arcadocypriot | Hellenic |
| Greek, Attic | Hellenic |
| Greek, Byzantine or Medieval Greek | Hellenic |
| Greek, Calabrian | Hellenic |
| Greek, Cappadocian | Hellenic |
| Greek, Cypriot | Hellenic |
| Greek, Doric or West Greek | Hellenic |
| Greek, Homeric or Epic Greek | Hellenic |
| Greek, Ionic | Hellenic |
| Greek, Italiot | Hellenic |
| Greek, Jewish Koine | Hellenic |
| Greek, Koine | Hellenic |
| Greek, Mariupolitan or Crimean Greek | Hellenic |
| Greek, Mycenaean | Hellenic |
| Greek, Pamphylian | Hellenic |
| Greek, Pontic | Hellenic |
| Greek, Romani | Hellenic |
| Greek, Tsakonian | Hellenic |
| Greek, Yevanic | Hellenic |
| Guaraní | Tupian |
| Guaruyu | Tupian |
| Guazacapán | Xincan |
| Guinea-Bissau Creole | Portuguese-based creole |
| Gujarati | Indo-Aryan |
| Gula Iro or Kulaal | Adamawa |
| Gullah or Sea Island Creole English | English-based creole |
| Gusii | Bantu |
| Gwichʼin | Athabaskan |
|
| Hachijō or shima kotoba | Japonic |
| Hadramautic | Semitic |
| Hadza or Hatsa | Language isolate |
| Haida or Masset | Language isolate or Na-Dené |
| Haitian Creole | French-based creole |
| Hakka | Sinitic |
| Hän | Athabaskan |
| Hani | Lolo-Burmese |
| Harappan | Unclassified language |
| Harari | Semitic |
| Harauti | Indo-Aryan |
| Harsusi | Semitic |
| Haryanavi | Indo-Aryan |
| Harzani | Iranian |
| Hasaitic | Semitic |
| Hattic | Unclassified language |
| Hausa | Chadic |
| Havasupai or Upland Yuman | Hokan |
| Hawaiian | Polynesian |
| Hawaiʻi Sign Language | Language isolate or small language family |
| Hazaragi | Iranian |
| Hebrew | Semitic |
| Hebrew, Ashkenazi | Semitic |
| Hebrew, Biblical | Semitic |
| Hebrew, Italian | Semitic |
| Hebrew, Medieval | Semitic |
| Hebrew, Mishnaic | Semitic |
| Hebrew, Mizrahi | Semitic |
| Hebrew, Modern | Semitic |
| Hebrew, Samaritan | Semitic |
| Hebrew, Sephardi | Semitic |
| Hebrew, Tiberian | Semitic |
| Hebrew, Yemenite | Semitic |
| Herero | Bantu |
| Hértevin | Semitic |
| Hiligaynon | Bisayan |
| Himyaritic | Semitic |
| Hindi | Indo-Aryan |
| Hindustani | Indo-Aryan) |
| Hinukh | Northeast Caucasian |
| Hiri Motu | Motu-based pidgin |
| Hismaic | Semitic |
| Hittite | Anatolian |
| Hixkaryana | Cariban |
| Hmong | Hmong–Mien |
| Hmu | Hmong-Mien |
| Ho | Austroasiatic |
| Hobyót | Semitic |
| Hokkien | Sinitic |
| Hopi | Uto-Aztecan |
| Hoti | Malayo-Polynesian |
| Huastec or Teenek | Mayan |
| Huave | Language isolate |
| Huiliche | Araucanian |
| Hulaulá | Semitic |
| Hungarian | Uralic |
| Hunnic | Unclassified language |
| Hutterisch or Tirolean | Germanic |
|
| Ibibio | Cross River |
| Iban | Malayic |
| Ibanag | Northern Luzon |
| Icelandic | Germanic |
| Ifè | Yoruboid |
| Igbo or Ibo or Biafra | Igboid |
| Ikalanga or Kalanga | Bantu |
| Ili Turki | Turkic |
| Illyrian | Indo-European |
| Ilokano or Ilocano | Northern Luzon |
| Indonesian | Malayic |
| Indo-Portuguese Creole of Bombay | Portuguese-based creole language |
| Ingrian or Izhorian | Uralic |
| Ingush | Northeast Caucasian |
| Inuktitut | Eskimo–Aleut |
| Inupiaq | Eskimo–Aleut |
| Inuvialuktun | Eskimo–Aleut |
| Iraqw | Cushitic |
| Irish or Irish Gaelic | Celtic |
| Irish Sign Language | Francosign |
| Irula | Dravidian |
| Isan or Northeastern Thai | Kra–Dai |
| Ishkashimi or Ishkashmi | Iranian |
| Istriot | Romance |
| Istro-Romanian | Romance |
| Italian | Romance |
|
| Jacaltek, Jakalteko or Popti' | Mayan |
| Jalaa | Unclassified language, possibly Niger–Congo |
| Japanese | Japonic |
| Japhug | Sino-Tibetan |
| Jaqaru | Aymaran |
| Jarai | Malayo-Polynesian |
| Javanese | Malayo-Polynesian |
| Jeju | Koreanic |
| Jemez or Towa | Tanoan |
| Jewish Babylonian Aramaic | Aramaic |
| Jewish Neo-Aramaic dialect of Zakho | Semitic |
| Jibbali or Shehri | Semitic |
| Jicarilla | Athabaskan |
| Juang | Austroasiatic |
| Judeo-Georgian | South Caucasian |
| Jumaytepeque | Xincan |
| Jurchen | Tungusic |
|
| Kaaps | Germanic |
| Kabardian | Northwest Caucasian |
| Kabiye | Gur |
| Kabyle | Berber |
| Kachin or Jingpo | Tibeto-Burman |
| Kaingáng | Jê |
| Kajkavian | Slavic |
| Kalami or Gawri or Dirwali | Indo-Aryan |
| Kalahsa-mun | Indo-Aryan |
| Kalašma | Anatolian |
| Kalmyk | Mongolic |
| Kalto or Nahali | Indo-Aryan |
| Kamassian | Uralic |
| Kamchadal, Eastern | Khukotko-Kamchatkan |
| Kamchadal, Southern | Khukotko-Kamchatkan |
| Kamchadal, Western or Itelmen | Chukotko-Kamchatkan |
| Kankanaey | Northern Luzon |
| Kannada | Dravidian |
| Kanuri | Saharan |
| Kaonde or Chikaonde | Bantu |
| Kapampangan | Malayo-Polynesian |
| Karachay–Balkar | Turkic |
| Karagas | Turkic |
| Karaim | Turkic |
| Karakalpak | Turkic |
| Karelian | Uralic |
| Karen | Tibeto-Burman |
| Kashmiri | Indo-Aryan |
| Kashubian | Slavic |
| Kasiguranin or Casiguran | Central Philippine |
| Kawésqar or Alacaluf | Language isolate |
| Kazakh | Turkic |
| Kerek | Chukotko-Kamchatkan |
| Keres or Keresan | Language isolate or small language family |
| Ket | Yeniseian |
| Khakas | Turkic |
| Khalaj | Turkic |
| Kham or Sheshi | Tibeto-Burman |
| Khandeshi | Indo-Aryan |
| Khanty or Ostyak | Uralic |
| Khasi | Austroasiatic |
| Khitan | Mongolic |
| Khmer | Austroasiatic |
| Khmu | Austroasiatic |
| Khowar | Indo-Aryan |
| Kimatuumbi | Bantu |
| Kinaray-a or Hiraya | Malayo-Polynesian |
| Kinyarwanda | Bantu |
| Kirombo | Bantu |
| Kirundi | Bantu |
| Kivunjo | Bantu |
| Klallam or Clallam | Salishan |
| Koasati or Coushatta | Muskogean |
| Kodava Takk or Kodagu or Coorgi | Dravidian |
| Kohistani or Khili | Indo-Aryan |
| Kolami | Dravidian |
| Komi or Komi-Zyrian | Uralic |
| Konkani | Indo-Aryan |
| Kongo or Kikongo | Bantu |
| Koraga | Dravidian |
| Korandje | Nilo-Saharan |
| Korean | Koreanic |
| Korku | Austroasiatic |
| Korowai | Trans–New Guinea |
| Korwa | Austroasiatic |
| Koryak | Chukotko-Kamchatkan |
| Kosraean | Malayo-Polynesian |
| Kota | Dravidian |
| Koyra Chiini or Western Songhay | Nilo-Saharan |
| Koy Sanjaq Christian Neo-Aramaic | Semitic |
| Koya | Dravidian |
| Krymchak or Judeo-Crimean Tatar | Turkic |
| Kujarge | Unclassified language, perhaps Chadic |
| Kui | Dravidian |
| Kukkuzi | Uralic |
| Kumauni | Indo-Aryan |
| Kumeyaay or Kumiai | Yuma-Cochimí (Hokan?) |
| Kumyk | Turkic |
| Kumzari | Iranian |
| Kung | Khoisan |
| Kurdish | Kurdish |
| Kurukh or Kurux | Dravidian |
| Kusunda | Language isolate |
| Kutenai or Kootenay or Ktunaxa | Language isolate |
| Kuy | Austroasiatic |
| Kven | Uralic |
| Kwak'wala | Wakashan |
| Kwanyama or Ovambo | Bantu |
| Kxoe | Khoe |
| Kyrgyz or Kirghiz | Turkic |
|
| Laal | Unclassified language |
| Lacandon | Mayan |
| Ladakhi | Tibeto-Burman |
| Ladin | Romance |
| Ladino or Judeo-Spanish | Romance |
| Lak | Northeast Caucasian |
| Laki | Iranian |
| Lakota or Lakhota or Teton | Siouan |
| Lambadi or Lamani or Banjari | Indo-Aryan |
| Lanuvian | Latino-Faliscan |
| Lao or Laotian | Kra–Dai |
| Larestani | Iranian |
| Latin | Latino-Faliscan |
| Latgalian | Baltic |
| Latvian | Baltic |
| Laz or Lazuri | South Caucasian |
| Lenca, Honduran | Lencan |
| Lenca, Salvadoran | Lencan |
| Leonese | Romance |
| Lezgi or Agul | Northeast Caucasian |
| Ligbi or Ligby | Mande |
| Limburgish | Germanic |
| Lingala | Bantu |
| Lipan | Athabascan |
| Lisan al-Dawat | Indo-Aryan |
| Lishanid Noshan or Lishana Didan | Semitic |
| Lithuanian | Baltic |
| Livonian or Liv | Uralic |
| Livvi-Karelian, Olonets Karelian, or Livvi | Uralic |
| Lobala or Bala | Bantu |
| Lombard | Romance |
| Lotha | Tibeto-Burman |
| Low German | Germanic |
| Lower Sorbian | Slavic |
| Lozi or Silozi | Bantu |
| Ludic or Ludian | Uralic |
| Lunda or Chilunda | Bantu |
| Luri | Iranian |
| Lushootseed | Salishan |
| Lusoga or Soga | Bantu |
| Luvale | Bantu |
| Luwati | Indo-Iranian |
| Luxembourgish | Germanic |
|
| Macedonian | Slavic |
| Machiguenga | Arawakan |
| Madí or Jamamadí or Kapaná | Arauan |
| Madurese | Malayo-Polynesian |
| Magadhi | Indo-Aryan |
| Maguindanao | Malayo-Polynesian |
| Maithili | Indo-Aryan |
| Makasar | Malayo-Polynesian |
| Makhuwa or Makua | Bantu |
| Makhuwa-Meetto | Bantu |
| Malagasy | Malayo-Polynesian |
| Malay | Malayic |
| Malay, Brunei | Malayic |
| Malayalam | Dravidian |
| Malaysian Sign Language | Francosign |
| Maltese or Maltese Arabic | Semitic |
| Malto or Sauria Paharia | Dravidian |
| Malvi, Malavi, or Ujjaini | Indo-Aryan |
| Mam | Mayan |
| Manchu | Tungusic |
| Mandaic | Semitic |
| Mandarin | Sinitic |
| Mandinka | Mande |
| Mansi or Vogul | Uralic |
| Manx | Celtic |
| Manyika | Bantu |
| Māori | Malayo-Polynesian |
| Mapudungun or Mapuche | Araucanian |
| Maranao | Malayo-Polynesian |
| Marathi | Indo-Aryan |
| Mari or Cheremis | Uralic |
| Maria | Dravidian |
| Marquesan | Malayo-Polynesian |
| Marshallese or Ebon | Malayo-Polynesian |
| Martha's Vineyard Sign Language | Language isolate |
| Masaba | Bantu |
| Masbatenyo or Minasbate | Malayo-Polynesian |
| Median | Iranian |
| Meitei or Manipuri or Meithei | Tibeto-Burman |
| Mauritian Creole or Morisyen | French-based creole |
| Mayan Sign Language | Language isolate or small language family |
| Mayo | Uto-Aztecan |
| Mazandarani or Tabari | Iranian |
| Mazahua | Oto-Manguean |
| Mazatec | Oto-Manguean |
| Meänkieli or Tornedalian Finnish | Uralic |
| Megleno-Romanian | Romance |
| Megrelian or Mingrelian | South Caucasian |
| Mehri or Mahri | Semitic |
| Menominee | Algonquian |
| Mentawai | Malayo-Polynesian |
| Meroitic | Unclassified language, maybe Nilo-Saharan or Language isolate |
| Mescalero | Athabaskan |
| Meru or Kimeru | Bantu |
| Michif | Métis French and Plains Cree-based mixed language |
| Mikasuki or Miccosukee | Muskogean |
| Mi'kmaq or Micmac | Algonquian |
| Minaean | Semitic |
| Minangkabau | Malayo-Polynesian |
| Mirandese | Romance |
| Miskito or Miskitu | Misumalpan |
| Mnong or M'Nong | Austroasiatic |
| Mobilian Jargon | Choctaw and French-based pidgin |
| Moghol | Mongolic |
| Mohawk | Iroquoian |
| Moksha | Uralic |
| Molengue | Bantu |
| Mon | Austroasiatic |
| Middle Mongol | Mongolic |
| Mongolian | Mongolic |
| Mongolian, Classical | Mongolic |
| Mono | Ubangian |
| Mono | Uto-Aztecan |
| Mono | Malayo-Polynesian |
| Montagnais or Innu | Algonquian |
| Montenegrin | Slavic |
| Mopan | Mayan |
| Motu | Papuan Tip |
| Moxo | Arawakan |
| Muher | Semitic |
| Mundari | Austroasiatic |
| Mundurukú | Tupian |
| Munji | Iranian |
| Muong | Austroasiatic |
| Muria | Dravidian |
| Muscogee or Creek | Muskogean |
|
| Nafaanra | Senufo |
| Nagarchal | Dravidian |
| Nahuatl | Uto-Aztecan |
| Nama or Khoekhoe | Khoe |
| Nanai | Tungusic |
| Nauruan | Micronesian |
| Navajo or Navaho | Na-Dené |
| Ndau or Southeast Shona | Bantu |
| Ndonga | Bantu |
| Neapolitan | Romance |
| Negidal | Tungusic |
| Nenets or Yurak | Samoyedic |
| Nepal Bhasa or Newari | Newaric |
| Nepali | Indo-Aryan |
| New Zealand Sign Language | BANZSL |
| Nihali or Nahali | Language isolate |
| Nisga'a | Tsimshianic |
| Nganasan or Tavgi | Samoyedic |
| Ngumba | Bantu |
| Nheengatu or Geral or Modern Tupí | Tupian |
| Nias | Northwest Sumatra–Barrier Islands |
| Nicaraguan Sign Language | Language isolate |
| Niellim | Adamawa |
| Nigerian Pidgin | English-based pidgin |
| Nisenan | Maiduan |
| Niuean or Niue | Polynesian |
| Nivkh or Gilyak | Language isolate |
| Nogai | Turkic |
| Norfuk or Norfolk | cant, English-Tahitian based |
| Norman or Norman-French | Romance |
| Norn | Germanic |
| Northern Ndebele | Bantu |
| Northern Sotho or Sepedi | Bantu |
| Northern Straits Salish | Salishan |
| Norwegian (Bokmål, Nynorsk, Riksmål) | Germanic |
| Northeast Malakula | Central Vanuatu |
| Nǀu | Tuu |
| Nuer | Nilotic |
| Nuxálk or Bella Coola | Salishan |
| Nyabwa | Kru |
| Nyah Kur | Austroasiatic |
| Nyangumarta | Pama–Nyungan |
| Nyoro | Bantu |
|
| Occitan or Provençal | Romance |
| Odia | Indo-Aryan |
| Ojibwe, Ojibwa, or Chippewa | Algonquian |
| Okinawan | Japonic |
| Oko-Juwoi | Great Andamanese |
| Omagua | Tupian |
| Omok | Yukaghir |
| Ongota | Afroasiatic |
| O'odham | Uto-Aztecan |
| Ormuri | Iranian |
| Oroch | Tungusic |
| Orok | Tungusic |
| Oromo or Afaan Oromoo | Cushitic |
| Ossetic or Ossetian | Iranian |
|
| Páez or Nasa Yuwe | Language isolate |
| Palauan | Malayo-Polynesian |
| Pame | Oto-Manguean |
| Pangasinan | Malayo-Polynesian |
| Papiamento or Papiamentu | Iberian Romance-based creole |
| Parachi | Iranian |
| Parthian | Iranian |
| Parya | Indo-Aryan |
| Pashto, Pushto, or Pashtu | Iranian |
| Paya or Pech | Chibchan |
| Peninsular Japonic | Japonic |
| Pennsylvania Dutch or Pennsylvania German | Germanic |
| Persian or farsi, as it is referred to in the Persian language | Iranian |
| Phalura | Indo-Aryan |
| Phoenician | Semitic |
| Phuthi | Bantu |
| Picard | Romance |
| Pipil or Nawat | Uto-Aztecan |
| Pirahã | Mura |
| Plautdietsch or Mennonite Low German | Germanic |
| Podlachian or Podlashuk | Slavic |
| Polabian | Slavic |
| Polish | Slavic |
| Popoloca | Oto-Manguean |
| Portuguese | Romance |
| Pothohari or Pahari-Potwari | Indo-Aryan |
| Pradhan or Pardhan | Dravidian |
| Praenestinian | Latino-Faliscan |
| Puelche | Language isolate or Chonan |
| Puma | Tibeto-Burman |
| Punic, Phoenicio-Punic, or Carthaginian | Semitic |
| Punjabi, Panjabi, or Gurmukhi | Indo-Aryan |
| Purépecha or Tarascan | Language isolate |
|
| Q'anjob'al | Mayan |
| Qashqai or Ghashghai | Turkic |
| Qatabanian | Semitic |
| Q'eqchí | Mayan |
| Quebec Sign Language | Francosign |
| Quechua | Quechuan |
|
| Rajasthani | Indo-Aryan |
| Ratagnon, Datagnon, or Latagnun | Bisayan |
| Razi | Iranian |
| Razihi | Semitic |
| Réunion Creole or Bourbonnais | French-based creole |
| [[Rijal Alma (speech variety)]|Rijāl Almaʿ]] | Semitic |
| Romanian | Romance |
| Romansh | Romance |
| Romani | Indo-Aryan |
| Romblomanon | Bisayan |
| Rotokas | East Papuan |
| Rotuman | Central Pacific |
| Rouran | Mongolic |
| Runyankole language or Nyankore | Bantu |
| Russian | Slavic |
| Russian Sign Language | Francosign |
| Rusyn, Carpathian | Slavic |
| Rusyn, Pannonian | Slavic |
| Rutul | Northeast Caucasian languages |
| Ruthenian | Slavic |
|
| Sabaic or Sabaean | Semitic |
| Safaitic | Semitic |
| Salar | Turkic |
| Samaritan Aramaic | Semitic |
| Samoan | Malayo-Polynesian |
| Sandawe | Language isolate |
| Sango | Ngbandi-based creole |
| Sanskrit | Indo-Aryan, liturgical language |
| Santali | Austroasiatic |
| Sara Bakati' | Land Dayak |
| Saraiki, Seraiki, or Siraiki Southern Punjabi | Indo-Aryan |
| Saramaccan | English-based creole |
| Sardinian | Romance |
| Sardinian, Campidanese | Romance |
| Sardinian, Logudorese | Romance |
| Sarikoli | Iranian |
| Sart Kalmyk | Mongolic |
| Saurashtra or Sourashtra | Indo-Aryan |
| Savi | Indo-Aryan |
| Sawai | South Halmahera–West New Guinea |
| Scots | Germanic |
| Scots, Shetlandic or Shaetlan | Germanic |
| Scots, Ulster | Germanic |
| Scottish Gaelic or Scots Gaelic or Gaidhlig or Gaelic | Celtic |
| Selangor Sign Language | Francosign |
| Selkup or Ostyak Samoyed | Samoyedic |
| Semnani | Iranian |
| Senaya | Semitic |
| Serbian | Slavic |
| Serbo-Croatian | Slavic |
| Sesotho | Bantu |
| Seto or Setu | Uralic |
| Seychellois Creole | French-based creole |
| Shan | Kra–Dai |
| Shelta | Irish and Irish English-based mixed language |
| Shimaore | Bantu |
| Shina | Indo-Aryan |
| Shipibo or Shipibo-Konibo | Panoan |
| Shona | Bantu |
| Shor | Turkic |
| Shoshoni or Shoshone | Uto-Aztecan |
| Shtokavian | Slavic |
| Shughni | Iranian |
| Shumashti | Indo-Aryan |
| Shuswap or Secwepemctsín | Salishan |
| Siberian Tatar | Turkic |
| Sicilian | Romance |
| Sidamo | Cushitic |
| Sierra Popoluca or Soteapanec | Mixe–Zoque |
| Sika | Flores–Lembata |
| Silesian | Slavic |
| Silla or Old Korean | Koreanic |
| Silt'e or Selti or East Gurage | Semitic |
| Sinacantán | Xincan |
| Sindhi | Indo-Aryan |
| Sinhala | Indo-Aryan |
| Sioux | Siouan |
| Sivandi | Iranian |
| Sámi, Akkala | Uralic |
| Sámi, Inari | Uralic |
| Sámi, Kainuu | Uralic |
| Sámi, Kemi | Uralic |
| Sámi, Kildin | Uralic |
| Sámi, Lule | Uralic |
| Sámi, Northern | Uralic |
| Sámi, Pite | Uralic |
| Sámi, Skolt | Uralic |
| Sámi, Southern | Uralic |
| Sámi, Ter | Uralic |
| Sámi, Ume | Uralic |
| Sentinelese | Unclassified language |
| Slavey | Athabaskan |
| Slavomolisano | Slavic |
| Slovak | Slavic |
| Slovene or Slovenian | Slavic |
| Soddo or Kistane | Semitic |
| Somali | Cushitic |
| Sonjo or Temi | Bantu |
| Sonsorolese or Sonsorol | Micronesian |
| Soqotri | Semitic |
| Sora | Austroasiatic |
| Sorbian, Lower | Slavic |
| Sorbian, Upper | Slavic |
| Sourashtra | Indo-Aryan |
| Southern Ndebele | Bantu |
| South Estonian | Uralic |
| Spanish | Romance |
| Spanish, Amazonic | Romance |
| Spanish, Andalusian | Romance |
| Spanish, Canarian | Romance |
| Spanish, Caribbean | Romance |
| Spanish, Castilian | Romance |
| Spanish, Catalan | Romance |
| Spanish, Chilote | Romance |
| Spanish, Extremaduran or Castúo | Romance |
| Spanish, Galician or Castrapo | Romance |
| Spanish, Gibraltarian or Llanito | Romance |
| Spanish, Mexican | Romance |
| Spanish, Murcian | Romance |
| Spanish, Peninsular | Romance |
| Spanish, Sabine River, Adaeseño Spanish, or Zwolle-Ebarb Spanish | Romance |
| Spanish, Saharan or Western Saharan Spanish | Romance |
| Spanish, Standard | Romance |
| Sranan Tongo | English-based creole |
| St'at'imcets or Lillooet | Salishan |
| Sucite or Sìcìté Sénoufo | Senufo |
| Suba | Bantu |
| Sundanese | Malayo-Polynesian |
| Supyire or Supyire Senoufo | Senufo |
| Surigaonon | Bisayan |
| Susu | Mande |
| Svan | South Caucasian |
| Swahili | Bantu |
| Swati, Swazi, Siswati, or Seswati | Bantu |
| Swedish | Germanic |
| Syriac | Semitic |
|
| Tabasaran or Tabassaran | Northeast Caucasian |
| Tacana | Tacanan |
| Tachelhit | Berber |
| Tagalog | Central Philippine |
| Tahitian | Polynesian |
| Tai Lue | Kra–Dai |
| Taíno | Arawakan |
| Taiwanese Sign Language | JSLic |
| Tajik | Iranian |
| Takestani | Iranian |
| Talysh | Iranian |
| Tamil | Dravidian |
| Tanacross | Athabaskan |
| Tangut | Tibeto-Burman |
| Taos or Northern Tiwa | Tanoan |
| Tarahumara | Uto-Aztecan |
| Tarama | Japonic |
| Tarifit or Rifi or Riff Berber | Berber |
| Tat or Tati | Iranian |
| Tatar | Turkic |
| Tausug | Bisayan |
| Taymanitic | Semitic |
| Tehuelche or Aonikenk | Chon |
| Telugu | Dravidian |
| Tetum | Malayo-Polynesian |
| Tepehua | Totonacan |
| Tepehuán or O'otham | Uto-Aztecan |
| Tewa | Tanoan |
| Thai | Kra–Dai |
| Thamudic | Semitic |
| Tharu | Indo-Aryan |
| Tibetan, Lhasa | Tibetic |
| Ticuna | Language isolate |
| Tigre or Xasa | Semitic |
| Tigrinya | Semitic |
| Timbisha or Panamint | Uto-Aztecan |
| Tiv | Tivoid |
| Tlingit | Na-Dené |
| Tobian | Micronesian |
| Toda | Dravidian |
| Tojolab'al | Mayan |
| Tok Pisin | English-based creole |
| Tokelauan | Polynesian |
| Tol or Jicaque | Jicaquean |
| Tonga | Bantu |
| Tongan | Polynesian |
| Torlakian | Slavic |
| Torwali or Turvali | Indo-Aryan |
| Tregami | Indo-Aryan |
| Trique or Triqui | Oto-Manguean |
| Tsat | Chamic |
| Tsez or Dido | Northeast Caucasian |
| Tshiluba, Luba-Kasai, or Luba-Lulua | Bantu |
| Tsimshian, Coast | Tsimshianic |
| Tsimshian, Southern | Tsimshianic |
| Tsonga | Bantu |
| Tswana or Setswana | Bantu |
| Tu or Monguor | Mongolic |
| Tuareg languages or Tamasheq | Berber |
| Tulu | Dravidian |
| Tumbuka | Bantu |
| Tupiniquim | Tupian |
| Turkish | Turkic |
| Turkish, Ottoman | Turkic |
| Turkmen | Turkic |
| Turoyo | Semitic |
| Tuvaluan | Polynesian |
| Tuvan Tuvin or Tyvan | Turkic |
| Tzeltal | Mayan |
| Tzotzil | Mayan |
|
| Udihe or Ude or Udege | Tungusic |
| Udmurt or Votyak | Uralic |
| Ugaritic | Semitic |
| Ukrainian | Slavic |
| Ulch or Olcha | Tungusic |
| Unserdeutsch or Rabaul Creole German | German-based creole |
| Upper Sorbian | Slavic |
| Urdu | Indo-Aryan |
| Urum | Turkic |
| Ute | Uto-Aztecan |
| Uyghur or Uighur | Turkic |
| Uzbek | Turkic |
|
| Vafsi | Iranian |
| Valencian Sign Language | Catalan Sign |
| Vasi-vari or Prasuni | Indo-Aryan |
| Vastese | Romance |
| Venda or Tshivenda | Bantu |
| Venetian | Romance |
| Veps | Uralic |
| Vietnamese | Austroasiatic |
| Võro | Uralic |
| Votic or Votian | Uralic |
|
| Wa | Austroasiatic |
| Waddar | Dravidian |
| Wagiman | Language isolate |
| Waigali or Kalasha-Ala | Indo-Aryan |
| Waima or Roro | Malayo-Polynesian |
| Wakhi | Iranian |
| Wallisian or East Uvean | Polynesian |
| Walloon | Romance |
| Waray or Binisaya | Malayo-Polynesian |
| Washo | Language isolate |
| Welsh | Celtic |
| Western Neo-Aramaic | Semitic |
| West Polesian or Poleshuk | Slavic |
| Wolane (Silt'e) | Semitic |
| Wolof | Niger–Congo |
| Wu | Sinitic |
| Wymysorys | Germanic |
|
| Xavante | Jê |
| Xhosa | Bantu |
| Xiang | Sinitic |
| Xibe or Sibo | Tungusic |
| Xipaya | Tupian |
|
| Yaaku | Afroasiatic |
| Yaeyama | Japonic |
| Yaghan or Yámana | Language isolate |
| Yaghnobi | Iranian |
| Yakut | Turkic |
| Yankunytjatjara | Pama–Nyungan |
| Yanyuwa | Pama–Nyungan |
| Yapese | Malayo-Polynesian |
| Yaqui | Uto-Aztecan |
| Yauma | Bantu |
| Yavapai | Yuman |
| Yazdi | Iranian |
| Yazgulyam or Yazgulami | Iranian |
| Ye-Maek | Puyŏ? |
| Yeni | Niger–Congo |
| Yi language or Nuosu | Tibeto-Burman |
| Yine or Piro | Arawakan |
| Yiddish | Germanic |
| Yidgha | Iranian |
| Yugur, Eastern | Mongolic |
| Yugur, Western or Neo-Uygur | Turkic |
| Yokuts, Yokutsan, or Mariposa | Yokutsan |
| Yokuts, Buena Vista | Yokutsan |
| Yokuts, Delta | Yokutsan |
| Yokuts, Palewyami | Yokutsan |
| Yokuts, Tule–Kaweah | Yokutsan |
| Yokuts, Valley | Yokutsan |
| Yonaguni | Japonic |
| Yorùbá | Volta–Niger |
| Yucatec Maya | Yucatecan |
| Yuchi | Language isolate |
| Yukaghir, Northern or Tundra Yukaghir | Yukaghir |
| Yukaghir, Southern or Forest Yukaghir | Yukaghir |
| Yukjin | Koreanic |
| Yupik | Eskimo–Aleut |
| Yupiltepeque | Xincan |
| Yurats | Samoyedic |
| Yurok | Algic |
|
| Záparo | Saparoan |
| Zapotec | Oto-Manguean |
| Zaza or Zazaki | Iranian |
| Zeelandic | Germanic |
| Zhuang | Kra–Dai |
| Zok or Agulis | Armenian |
| Zoque | Mixe–Zoquean |
| Zoroastrian Dari | Iranian |
| Zulu | Bantu |
| Zuñi or Zuni | Language isolate |
| Zway or Zay | Semitic |
