| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 1666 | |
| ISO 639-3 | art-001 | gub |
| Glottolog Languoid Names | art-326 | Guajajára |
| Glottocode | art-327 | guaj1255 |
| Glottolog Primary Key | art-328 | 24444 |
| English | eng-000 | Guajajara |
| français | fra-000 | guajajára |
| español | spa-000 | guajajara |