| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 1360 | |
| ISO 639-3 | art-001 | cac |
| Glottolog Languoid Names | art-326 | Chuj |
| Glottolog Languoid Names | art-326 | Chuj, Ixtatán |
| Glottocode | art-327 | chuj1250 |
| Glottocode | art-327 | chuj1251 |
| Glottolog Primary Key | art-328 | 104920 |
| Glottolog Primary Key | art-328 | 44780 |
| English | eng-000 | Chuj |
| français | fra-000 | chuj |
| español | spa-000 | chuj |