| Jorá | |
| Jordanian Sign Language | |
| Jorto | |
| Jowulu | |
| Ju | |
| Juang | |
| Judeo-Arabic | |
| Judeo-Berber | |
| Judeo-Georgian | |
| Judeo-Iraqi Arabic | |
| Judeo-Italian | |
| Judeo-Moroccan Arabic | |
| Judeo-Persian | |
| Judeo-Tat | |
| Judeo-Tripolitanian Arabic | |
| Judeo-Tunisian Arabic | |
| Judeo-Yemeni Arabic | |
| Ju/'hoan | |
| Jukun Takum | |
| Júma | |
| Jumjum | |
| Jumla Sign Language | |
| Jumli | |
| Jungle Inga | |
| Juquila Mixe | |
| Juray | |
| Jurchen | |
| Jur Modo | |
| Jurúna | |
| Jutish | |
| Juwal | |
| Juxtlahuaca Mixtec | |
| Juǀʼhoan | |
| Jwira-Pepesa | |
| Kaamba | |
| Kaan | |
| Kaang Chin | |
| Kaansa | |
| Kaba | |
| Kabalai | |
| Kabardian | |
| Kabatei | |
| Kabixí | |
| Kabiyè | |
| Kabola | |
| Kabore One | |
| Kabras | |
| Kaburi | |
| Kabutra | |
| Kabuverdianu | |
| ISO 639-3 Reference Names |
PanLex
ISO 639-3 Reference Names Vocabulary
8044 entries from 3 sources