Languages classified by languages families

The languages families and classifications listed here is taken from the ISO 639 list which does not provide a scientific classification of the languages of the world, as it is only intended to support the overall language coding of the ISO 639 series of International Standards and is still subject to discussion.
The 404 currently supported languages and locales are:

Afro-Asiatic languages
- Berber languages
  - – Kabyle
  - – Tamazight
- Chadic languages
  - – Hausa
  - – Moloko
- Cushitic languages
  - – Oromo
  - – Somali
- Semitic languages
  - – Amharic
  - – Arabic
  - – Hebrew
  - – Maltese
Altaic languages
- Turkic languages
  - – Azerbaijani
  - – Bashkir
  - – Chuvash
  - – Crimean Tatar
  - – Kazakh
  - – Kyrgyz
  - – Turkish
  - – Uyghur
  - – Yakut
Artificial languages
- Artistic languages
  - Arena of Valor languages
    - – Afata
    - – Gandal
    - – G’Vunna
    - – Veda
  - Defiance languages
    - – Castithan
    - – Indojisnen
    - – Irathient
    - – Kinuk’aaz
  - Game of Throne languages
    - – Dothraki
    - – High Valyrian
  - Lord of the Rings languages
    - – Quenya
    - – Sindarin
  - Other artistic languages
    - – Aczu Śavnecze
    - – Aramteskan
    - – Arodjun
    - – Atlantean
    - – Atrian
    - – Ayeri
    - – Azazilúŝ
    - – Barsoomian
    - – Bayën
    - – Belter Creole
    - – Brooding
    - – Chakobsa
    - – Dai
    - – D’ni
    - – Dovahzul
    - – Elder Speech
    - – Engála
    - – Epigean
    - – Giak
    - – Gnóma
    - – Grayis
    - – Gryomian
    - – Hiuʦɑθ
    - – Hylian
    - – Illitan
    - – Ithkuil
    - – Itláni
    - – Kala
    - – Kēlen
    - – Kiitra
    - – KiLiKi
    - – Láadan
    - – Mini
    - – Mondir
    - – Na’vi
    - – Neziba
    - – Nìmpyèshiu
    - – Santaa
    - – Shiväisith
    - – Siinyamda
    - – Toki Pona
    - – Tpaalha
    - – Trigedasleng
    - – Tsevhu
    - – Tüchte
    - – Va Ehenív
    - – Valthungian
    - – Verdurian
    - – Wardwesân
    - – Wóxtjanato
  - Shadow and Bone languages
    - – Kerch
    - – Ravkan
    - – Shu
    - – Zemeni
  - Star Trek languages
    - – Klingon
    - – Romulan
    - – Vulcan
  - Star Wars languages
    - – Bocce
    - – Ewokese
    - – Gunganese
    - – Huttese
    - – Jawaese
    - – Mandalorian
    - – Neimoidian
    - – Shyriiwook
  - Tékumel languages
    - – Engsvanyáli
    - – Livyáni
    - – Sunúz
    - – Tsolyáni
    - – Yán Koryáni
- Auxiliary languages
  - – Afrihili
  - – Ba kom
  - – Babm
  - – Bolak
  - – Ceqli
  - – Digisk Folkspraak
  - – Esperanto
  - – Folkspraak
  - – Globasa
  - – Glosa
  - – Guosa
  - – Idiom neutral
  - – Ido
  - – Intal
  - – Interlingua
  - – Interlingue
  - – Interslavic
  - – Kotava
  - – Langue nouvelle
  - – Latinesce
  - – Latino sine flexione
  - – Lingua Franca Nova
  - – Lingwa de planeta
  - – Mondial
  - – Mondlango
  - – Neolatin
  - – Nove Latina
  - – Pandunia
  - – Panglobish
  - – Ro
  - – Romanid
  - – Slovio
  - – Solresol
  - – Sona
  - – Spokil
  - – Stœchiophonie
  - – Tutonish
  - – Universalglot
  - – Uropi
  - – Volapük
- Logical languages
  - – Loglan
  - – Lojban
Austronesian languages
- Formosan languages
  - – Tsou
- Malayo-Polynesian languages
  - Central Malayo-Polynesian languages
    - – Gilbertese
    - – Nume
    - – South Efate
    - – Tukudede
  - Eastern Malayo-Polynesian languages
    - – Araki
    - – Biak
    - – Cèmuhî
    - – Māori
    - – Marshallese
    - – Mussau-Emira
    - – Mwotlap
    - – Nêlêmwa
    - – Nengone
    - – Paicî
    - – Rapa Nui
    - – Tahitian
    - – Tongan (telephone-style)
    - – Yuanga-zuanga
  - South Sulawesi languages
    - – Buginese
  - Western Malayo-Polynesian languages
    - – Indonesian
    - – Malagasy
    - – Minangkabau
    - – Sumbawa
Caucasian languages
- North Caucasian languages
  - – Adyghe
  - – Bezhta
  - – Ingush
  - – Lezgian
  - – Tsez
Central American Indian languages
- Mayan languages
  - – Ch’ol
  - – Jakaltek
  - – Kaqchikel
- Oto-Manguean languages
  - – Aloápam Zapotec
  - – Choapan Zapotec
  - – Copala Triqui
  - – Isthmus Zapotec
  - – Lachixío Zapotec
  - – Mazahua
  - – Rincón Zapotec
  - – Santa Ana Yareni Zapotec
  - – Sierra Otomi
  - – Tezoatlán Mixtec
Creoles and pidgins
- English-based creoles and pidgins
  - – Aukan
  - – Sranan Tongo
  - – Tok Pisin
- French-based creoles and pidgins
  - – Antillean Creole of Martinique
  - – Haitian Creole
  - – Mauritian Creole
- Kongo-based creoles and pidgins
  - – Kituba
- Ngbandi-based creoles and pidgins
  - – Sango
- Portuguese-based creoles and pidgins
  - – Cape Verdean Creole
  - – Kristang
- Spanish-based creoles and pidgins
  - – Chavacano
- Tetun-based creoles and pidgins
  - – Tetun Dili
Dravidian languages
- – Telugu
Eskimo-Aleut languages
- Inuit languages
  - – Inupiaq
- Yupik languages
  - – Alutiiq
  - – Yup’ik
Indo-European languages
- Albanian languages
  - – Albanian
  - – Arbëresh
- Armenian
  - – Armenian
- Baltic languages
  - – Latvian
  - – Lithuanian
- Celtic languages
  - – Breton
  - – Cornish
  - – Irish
  - – Manx Gaelic
  - – Scottish Gaelic
  - – Welsh
- Germanic languages
  - North Germanic languages
    - – Danish
    - – Faroese
    - – Icelandic
    - – Norwegian (Bokmål)
    - – Swedish
  - West Germanic languages
    - – Afrikaans
    - – Alsatian
    - – Bavarian
    - – English
    - – German
    - – Gottscheerish
    - – Hunsrik
    - – Luxembourgish
    - – North Frisian
    - – Pennsylvania German
    - – Plautdietsch
    - – Saterland Frisian
    - – Scots
    - – Swiss German
    - – West Frisian
    - – Wymysorys
    - – Yiddish
- Indo-Iranian languages
  - Indo-Aryan languages
    - – Dzambazi Romani
    - – Gujarati
    - – Hindi
    - – Kalderash Romani
    - – Odia
    - – Rohingya
    - – Romani
  - Iranian languages
    - – Kirmanjki
    - – Northern Kurdish
    - – Persian
- Italic languages
  - Romance languages
    - – Asturian
    - – Catalan
    - – Corsican
    - – Eonavian
    - – French
    - – Friulian
    - – Galician
    - – Gallo
    - – Italian
    - – Jèrriais
    - – Ladin
    - – Latin
    - – Lombard (Milanese)
    - – Occitan
    - – Picard
    - – Portuguese (Brazil)
    - – Portuguese (Portugal)
    - – Proto-Indo-European
    - – Romanian
    - – Romansh
    - – Sardinian
    - – Spanish
    - – Venetian
- Slavic languages
  - East Slavic languages
    - – Belarusian
    - – Russian
    - – Ukrainian
  - South Slavic languages
    - – Bulgarian
    - – Macedonian
    - – Old Church Slavonic
    - – Serbian
    - – Slovene
  - West Slavic languages
    - – Czech
    - – Lower Sorbian
    - – Polish
    - – Slovak
    - – Upper Sorbian
Isolate languages
- – Ainu
- – Basque
- – Burushaski
- – Keresan
- – Korean
- – Purépecha
- – Tunica
Japonic languages
- – Japanese
Kartvelian languages
- – Georgian
- – Laz
Mixed languages
- – Caló
- – Llanito
- – Michif
Mixe-Zoque languages
- – Quetzaltepec Mixe
- – Totontepec Mixe
Niger–Congo languages
- Atlantic-Congo languages
  - Bantu languages
    - – Gwere
    - – Kinyarwanda
    - – Lingala
    - – Makhuwa
    - – Mwani
    - – Nyungwe
    - – Punu
    - – Shona
    - – Soga
    - – Swahili
    - – Tsonga
    - – Tswana
    - – Xhosa
    - – Yao
    - – Zulu
  - Gur languages
    - – Dagbani
    - – Kabiye
  - Kwa languages
    - – Ga
  - Senegambian languages
    - – Nigerian Fulfulde
    - – Pular
- Mande languages
  - – Bambara
  - – Kpelle
  - – Mandinka
  - – Soninke
  - – Susu
- Volta-Congo languages
  - – Baka
  - – Igbo
Nilo-Saharan languages
- Eastern Sudanic languages
  - – Acholi
  - – Lango
  - – Luo
North American Indian languages
- Algic languages
  - Algonquian languages
    - – Innu
    - – Malecite-Passamaquoddy
    - – Menominee
    - – Miami-Illinois
    - – Micmac
    - – Mohegan-Pequot
    - – Ojibwa
- Caddoan languages
  - – Arikara
- Hokan languages
  - – Kiliwa
  - – Lowland Oaxaca Chontal
- Iroquoian languages
  - – Cherokee
  - – Mohawk
  - – Oneida
- Isolate languages
  - – Haida
  - – Kutenai
- Muskogean languages
  - – Chickasaw
  - – Koasati
- Na-Dené languages
  - Athapaskan languages
    - – Carrier
    - – Dogrib
    - – Hupa
    - – Navajo
    - – Siletz dee-ni^✝
    - – Tlingit
    - – Tolowa^✝
- Salishan languages
  - – Comox
  - – Halkomelem
  - – Klallam
  - – Lushootseed
  - – Moses-Columbia
  - – Okanagan
  - – Saanich
  - – Shuswap
  - – Squamish
- Siouan languages
  - – Assiniboine
  - – Lakota
- Uto-Aztecan languages
  - – Central Tarahumara
  - – Hopi
  - – Timbisha
North Bougainville languages
- – Rotokas
Papuan languages
- Trans-New Guinea languages
  - – Abui
  - – Huli
  - – Lavukaleve
  - – Ndom
  - – Savosavo
  - – Sawila
  - – Tobelo
  - – Tolaki
  - – Western Pantar
Sepik languages
- Ndu languages
  - – Manambu
Sino-Tibetan languages
- – Northern Yi
South American Indian languages
- Araucanian languages
  - – Mapudungun
- Arawakan languages
  - – Garifuna
  - – Kali’na
  - – Wayuu
- Aymaran languages
  - – Aymara
  - – Jaqaru
- Barbacoan languages
  - – Awa Pit
- Chibchan languages
  - – Arhuaco
- Quechuan languages
  - – Southern Quechua
- Tupi languages
  - – Cocama
  - – Guarani
Unclassified languages
- Cant languages
  - – Polari
Uralic languages
- Finno-Ugrian languages
  - – Erzya
  - – Estonian
  - – Finnish
  - – Hungarian
  - – Ingrian
  - – Karelian
  - – Kven
  - – Livonian
  - – Mansi
  - – Udmurt
  - – Veps
  - – Votic
- Sami languages
  - – Inari Sami
  - – Lule Sami
  - – Northern Sami
  - – Pite Sami
  - – Skolt Sami
  - – Southern Sami
  - – Ume Sami