| Jabutí Language
|
| Jad Language
|
| Jadgali Language
|
| Jagoi Language
|
| Jah Hut Language
|
| Jahanka Language
|
| Jair Awyu Language
|
| Jakalteko, Eastern Language
|
| Jakalteko, Western Language
|
| Jakati Language
|
| Jakun Language
|
| Jalkunan Language
|
| Jamaican Country Sign Language
|
| Jamaican Creole English Language
|
| Jamamadí Language
|
| Jamsay Dogon Language
|
| Jamtska Language
|
| Jandavra Language
|
| Jangshung Language
|
| Janji Language
|
| Japanese Language
|
| Japanese Sign Language
|
| Japrería Language
|
| Jaqaru language
|
| Jara language
|
| Jarai Language
|
| Jarawa Language
|
| Jarnango Language
|
| Jaru Language
|
| Jaruára Language
|
| Jaunsari Language
|
| Javanese Language
|
| Javanese, Caribbean Language
|
| Javanese, New Caledonian Language
|
| Javindo Language
|
| Jawe Language
|
| Jaya Language
|
| Jebero Language
|
| Jeh Language
|
| Jehai Language
|
| Jemez Language
|
| Jeng Language
|
| Jere Language
|
| Jeri Kuo Language
|
| Jerung Language
|
| Jewish Babylonian Aramaic Language
|
| Jewish Palestinian Aramaic Language
|
| Jhankot Sign Language
|
| Jiamao Language
|
| Jiarong Language
|
| Jiba Language
|
| Jibbali language
|
| Jibu Language
|
| Jiiddu Language
|
| Jilbe Language
|
| Jilim Language
|
| Jimi Language
|
| Jina Language
|
| Jingpho language
|
| Jinuo, Buyuan Language
|
| Jinuo, Youle Language
|
| Jirel Language
|
| Jiru Language
|
| Jita Language
|
| Jju Language
|
| Joba Language
|
| Jofotek-Bromnya Language
|
| Jola-Fonyi Language
|
| Jola-Kasa Language
|
| Jonkor Bourmataguil Language
|
| Jordanian Sign Language
|
| Jorto Language
|
| Jorá Language
|
| Jowulu Language
|
| Ju Language
|
| Juang Language
|
| Judeo-Arabic Language
|
| Judeo-Berber Language
|
| Judeo-Crimean Tatar Language
|
| Judeo-Georgian Language
|
| Judeo-Italian Language
|
| Judeo-Tat Language
|
| Jukun Takum Language
|
| Jula Language
|
| Jumjum Language
|
| Jumla Sign Language
|
| Jumli Language
|
| Jur Modo Language
|
| Juray Language
|
| Jurchen Language
|
| Jurúna Language
|
| Jutish Language
|
| Juwal Language
|
| Ju⎮'hoan Language
|
| Jwira-Pepesa Language
|
| Júma Language
|