| English | eng-000 |
| Guajá | |
| ISO 639-3 | art-001 | gvj |
| ISO 639-3 Inverted Names | art-291 | Guajá |
| Glottolog Languoid Names | art-326 | Guajá |
| Glottocode | art-327 | guaj1256 |
| Glottolog Primary Key | art-328 | 24420 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1755 |
| français | fra-000 | guajá |
| español | spa-000 | guajá |