| ISO 639-3 | art-001 |
| gub | |
| ISO 639-3 Reference Names | art-289 | Guajajára |
| ISO 639-3 Print Names | art-290 | Guajajára |
| ISO 639-3 Inverted Names | art-291 | Guajajára |
| Ethnologue Primary Language Names | art-323 | Guajajára |
| Glottolog Languoid Names | art-326 | Guajajára |
| Glottocode | art-327 | guaj1255 |
| Glottolog Primary Key | art-328 | 24444 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1666 |
| Ethnologue Language Names | art-330 | Guajajára |
| Ethnologue Language Names | art-330 | Guazazzara |
| Ethnologue Language Names | art-330 | Mearim |
| Ethnologue Language Names | art-330 | Pindare |
| Ethnologue Language Names | art-330 | Tenetehar |
| Ethnologue Language Names | art-330 | Tenetehára |
| Ethnologue Language Names | art-330 | Zutiua |
| English | eng-000 | Guajajara |
| English | eng-000 | Guajajára |
| français | fra-000 | guajajára |
| español | spa-000 | guajajara |
| español | spa-000 | guajajára |