A
* Abkhazian
* Abujmaria
* Afrikaans
* Aimaq, or Barbari
* Ainu
* Akkadian (Semitic) (extinct)
* Albanian
* Aleut
* Algonquin
* Alemán Coloneiro (Germanic)
* Alsatian (Germanic)
* Altai
* Alutor
* Amharic
* Anglo-Saxon
* Amdang
* Angaur
* Anlo
* Apache
* A-Pucikwar
* Arabic (Semitic)
* Aragonese
* Aramaic (Semitic)
* Arawak
* Armenian
* Ashkun
* Assamese
* Assyrian
* Athabascan
* Asturian
* Avestan
* Awadhi
* Aymara
* Azerbaijani
B
* Badaga
* Badeshi
* Bajelan
* Balochi
* Bambara
* Bashkir
* Basque
* Bavarian
* Belarusian (Slavic)
* Bemba
* Bengali
* Berber
* Bété
* Bhili
* Bhojpuri
* Biafran
* Bihari
* Bikya
* Blackfoot
* Bokmal or Bokmaal
* Bolgar
* Bonan, also known as Paoan
* Bosnian (Slavic)
* Brahui
* Breathanach
* Breton (Celtic)
* Brithenig
* Bulgarian (Slavic)
* Burmese
* Burushaski
* Buryat
C
* Camunic (extinct)
* Cantonese (Sinitic)
* Carib
* Carlestia (constructed, based on European languages)
* Catalan (Romance)
* Catawba
* Cayuga
* Cebuano (Malayo-Polynesian)
* Ceqli (constructed)
* Chagatai
* Chamorro
* Chaouia
* Chavacano
* Chechen
* Chenchu
* Chenoua
* Cherokee
* Chhattisgarhi
* Chichewa
* Chittagonian
* Choctaw
* Chorasmian
* Chukchi
* Chulym
* Chuvash
* Cocoma
* Cocopa
* Coptic
* Cornish (Celtic)
* Corsican
* Cree
* Crimean Turkish
* Croatian (Slavic)
* Cuman
* Cumbric (Celtic) (extinct)
* Curonian
* Czech (Slavic)
D
* Dacian (extinct)
* Dalmatian
* Dameli
* Danish (Germanic)
* Dargestani
* Dari (Zoroastrian)
* Dari (of Afghanistan)
* Darkhat
* Daur, also known as Dagur
* Dhatki
* Dida
* Dirwali (also known as Gawri or Kalami)
* Divehi
* D'ni (constructed)
* Dogri
* Dolgan
* Dongxiang
* Duala
* Dumaki
* Dungan
* Dutch (Germanic)
* Dzhidi
E
* East Yurghur
* Edomite
* Ekspreso
* Elamite (extinct)
* Enets (Yenisey Samoyed) (Samoyedic)
* English (Germanic)
* Erzya (Finno-Ugric)
* Esperanto (constructed, based on European languages)
* Estonian (Finno-Ugric)
* Etruscan
* Even
* Evenk
* Ewe
* Extremenian
F
* Faeroese
* Fars
* Fijian
* Filipino
* Finnish (Finno-Ugric)
* Flemish
* Fon
* French Créole
* French (Romance)
* Frisian
* Friulian (Romance)
* Fulani
* Fur
* Furu
G
* Gadaba
* Gagauz
* Galician
* Garhwali
* Gaulish
* Gayo
* Gazi
* Ge'ez
* Gelangali
* Gen / Gen-Gbe, Mina
* Georgian
* German / Deutsch (Germanic)
* Gilaki
* Gilbertese (= (I-)Kiribati)
* Gondi
* Gorani
* Gothic (extinct)
* Gowari (also known as Gawarbati or Narsati)
* Greek
* Guaraginga
* Guarani
* Gujarati
* Gwich'in
H
* Hadza / Hatsa
* Haitian creole
* Haryani
* Harzani
* Hausa
* Hawaiian
* Hazaragi
* Hebrew (Semitic)
* Hiligaynon
* Hindi (Indo-Iranian)
* Hiragana
* Hittite (Anatolian)
* Hmong
* Hopi
* Hungarian (Finno-Ugric)
* Hurrian
* Hutterite German
I
* Icelandic (Germanic)
* Ido (constructed, reformed version of Esperanto)
* Ibanag
* Igbo
* Illyrian
* Ilocano (Malayo-Polynesian)
* Ilonggo (Malayo-Polynesian)
* Indonesian (Malayo-Polynesian)
* Ingrian
* Interlingua (constructed, based on European languages)
* Interlingue, originally Occidental (constructed, based on European languages)
* Inuktitut
* Inupiak
* Iraqw
* Irish (Irish Gaelic) (Celtic)
* Irkut
* Irula
* Isan
* Ishkashimi
* Istro-Romanian (Romance)
* Italian / Italiano (Romance)
* Izhorian (Finno-Ugric)
J
* Jacaltec
* Japanese / ???
* Javanese
* Judaeo-Spanish
* Judeo-Crimean Tatar
* Jurchen
K
* Kabyle
* Kafiri
* Kalash
* Kalasha-ala, also known as Waigali
* Kalmyk
* Kalto, also known as Nahali
* Kamas (Samoyedic)
* Kamchadal, also known as Itelmen
* Kamvari
* Kankonian
* Kannada
* Kaonde
* Karachay-Balkar
* Karagas
* Karaim
* Karakalpak
* Karelian (Finno-Ugric)
* Kashmiri
* Kashubian
* Katakana
* Kawi
* Kazakh
* Kelen
* Kerek
* Ket
* Khakas
* Khalaj
* Khandeshi
* Khanty (Ostyak) (Finno-Ugric)
* Khazar
* Khirwar
* Khmer
* Khowari
* Khunsari
* Kinyarwanda
* Kimatuumbi
* Kiribati (= Kiribatese = Kiribatian)
* Kirundi
* Kiswahili
* Klingon (constructed)
* Kodagu
* Kohistani (also known as Khili)
* Kolami
* Komi (Permyak) (Finno-Ugric)
* Komi (Zyrian) (Finno-Ugric)
* Konda
* Konkani
* Koraga
* Korandje
* Korasani
* Korean / ???
* Korowai
* Koryak
* Kota
* Koya
* Krimchak (Judeo-Crimean Tatar)
* Kujarge
* Kui
* Kumauni
* Kumyk
* Kumzari
* Kurdish
* Kurukh
* Kurumba
* Kuvi
* Kyrgyz
L
* Láadan
* Laal
* Ladin
* Lahnda
* Lakhota
* Lamani, also known as Banjari
* Lao
* Lappish
* Latin / Latina
* Latvian (Baltic)
* Lenni Lenape
* Lepontic
* Lingala
* Lithuanian (Baltic)
* Livonian (Finno-Ugric)
* Loglan (constructed)
* Lojban (constructed, based on Loglan)
* Lozi
* Lude
* Lunda
* Luri
* Luvale
* Luwati
* Luxembourgish
* Lydian (Anatolian)
M
* Macedonian (Slavic)
* Macedoromanian (Romance)
* Maithili
* Makasar
* Malagasy
* Malayalam
* Maldvian
* Maltese
* Malto
* Malvi
* Manchurian
* Manda
* Mandarin (Chinese)
* Mansi (Vogul) (Finno-Ugric)
* Manx (Manx Gaelic)
* Maori
* Marathi
* Mari (Cheremis) (Finno-Ugric)
* Maria
* Marquesan
* Marshallese
* Mator
* Maya
* Mayang
* Mazandarani
* Meänkieli
* Megleno-Romanian
* Meroitic
* Messapian
* Michif
* Minangkabau
* Mirandese (Mirandês)
* Mobilian
* Moghol
* Mohawk
* Moksha (Finno-Ugric)
* Mon
* Mongolian
* Munji
* Muria
N
* Nagarchal
* Nahuatl
* Naiki
* Nama
* Nanai
* Nangalami
* Natanzi
* Nauruan
* Navajo
* Nayini
* Negidal
* Nenets (Yurak) (Samoyedic)
* Nepali
* New Kypchak
* Nganasan (Tavgi) (Samoyedic)
* Ngumba
* Nhengatu
* Nigerian pidgin
* Niuean
* Nivkh (Gilyak)
* Nogai
* Norn
* Northern Sotho
* North Yukaghir
* Norwegian
* Novial (constructed, based on European languages)
* N/u
* Nuka, or Nuka-Dora
* Nuristani
* Nyanja
* Nynorsk
O
* Occidental, later Interlingue (constructed, based on European languages)
* Occitan
* Oirat
* Ojibwa
* Olcha
* Old Nubian language
* Old Church Slavonic
* Old French
* Old Norse
* Old Prussian (Baltic)
* Olonetsian (also known as Olonets or Livvi) (Finno-Ugric)
* Omagua
* Oriya
* Ormuri
* Oroch
* Orochon
* Orok
* Oromifa
* Ossetic
* Ottoman Turkish
P
* Pahari
* Pahlavi
* Palauan
* Pali
* Papiamento
* Parachi
* Parji, also known as Duruwa
* Parya
* Pashayi
* Pashto
* Passamaquoddy
* Pecheneg
* Pengo
* Pennsylvania German
* Persian
* Phalura
* Phrygian (extinct)
* Pictish
* Piraha (Mura)
* Plautdietsch, Mennonite Low German
* Polish (Slavic)
* Portuguese
* Potiguara
* Pradhan, also known as Pardhan
* Prasuni, also known as Wasi-weri
* Provençal
* Punjabi
Q
* Qashqai
* Quechua
* Quenya (constructed)
R
* Rajasthani
* Rappahanock
* Romansh (Rhaeto-Romance)
* Romanian (Romance)
* Romanica (constructed Romance)
* Romansh (Romance)
* Romany (Indo-Iranian)
* Russenorsk
* Russian (Slavic)
S
* Salar
* Salish
* Sami (Lappish) (Finno-Ugric)
* Samoan
* Sandawe
* Sangisari
* Sanglechi
* Sanskrit (Indo-Iranian)
* Saraiki
* Saramaccan
* Sardinian (Romance)
* Sarikoli
* Sasxsek
* Savara
* Savi
* Scanian (Germanic)
* Scots (Lallans) (Includes Ulster Scots (Ullans))
* Scots Gaelic (Scottish Gaelic or Gaelic)
* Selchuk = Salchuq
* Selkup (Ostyak Samoyed) (Samoyedic)
* Selonian
* Seminole
* Semnani
* Sened
* Sepedi
* Serbian (Slavic)
* Serbo-Croatian (Slavic)
* Sesotho
* Setswana
* Shahrudi
* Shina
* Shona
* Shor
* Shughni
* Shumashti
* Sindebele
* Sindarin (constructed)
* Sindhi
* Sinhalese
* Sioux
* Sivandi
* Slovak (Slavic)
* Slovene (Slavic)
* Slovio (constructed Slavic)
* Soddo
* Soi
* Solresol (constructed)
* Somali
* Sona (constructed)
* Sonsorolese (or Sonsorol, or Sonsoral)
* Sorbian (Slavic)
* South Yukaghir
* Spanish (Romance)
* Sranan
* Sumerian (extinct)
* Swabian (Germanic)
* Swahili (Bantu)
* Swati or Siswati
* Swedish (Germanic)
* Swiss German (Germanic)
* Sudovian
* Sundanese
T
* Tagalog (Malayo-Polynesian)
* Tahitian
* Tajik
* Takestani
* Talossan
* Talysh
* Tamil
* Tat
* Tatar, Kazan Tatar
* Telugu
* Teonaht
* Tetum
* Thai
* Tharu
* Thracian (extinct)
* Tibetan
* Ticonderoga
* Tigre
* Tigrinya
* Tigrignan
* Tirahi
* Tobian
* Tocharian A and B
* Toda
* Tok Pisin
* Toki Pona (constructed pidgin based on sources from around the world)
* Tongan
* Tokelauan
* Tregami
* Tshivenda
* Tsimshian
* Tswana
* Tu, also known as Monguor
* Tulu
* Tupinamba
* Tupinkin
* Turkish
* Turkmen
* Turvali, also known as Torwali (Indo-Iranian)
* Tuvaluan
* Tuvan (also known as Tuvin)
U
* Uatakassí
* Ubykh (Northwest Caucasian)
* Udihe
* Udmurt (Votyak) (Finno-Ugric)
* Uighur
* Ukrainian (Slavic)
* Urdu
* Uripiv
* Urum
* Ute
* Uzbek
V
* Vafsi
* Veps (Finno-Ugric)
* Verdurian (constructed)
* Vietnamese
* Volapük (constructed, based on European languages)
* Vote (Finno-Ugric)
W
* Waddar
* Wakhi
* Walloon (Romance)
* Waneci
* Welsh (Celtic)
* Wenedyk
* West Yurghur
* Wolof
* Wotapuri-katarqalai
* Wu (Chinese)
X
* /Xam
* Xhosa
* Xibe
* !Xóõ
* !Xu (!Kung) (Khoisan)
Y
* Yaghnobi
* Yakut
* Yapese
* Yazdi
* Yazgulami
* Yiddish
* Yidgha
* Yoruba
* Yugh
* Yurats
Z
Only some major languages are listed here. See List of spoken and sign languages beginning with the letter Z for about 50 more.
* Zapotec
* Zazaki
* Zhuang
* Zulu
* Zuñi
original list :
http://en.wikipedia.org/wiki/List_of_languages