| ISO 639-3 Reference Names | art-289 | Achagua |
| ISO 639-3 Print Names | art-290 | Achagua |
| ISO 639-3 Inverted Names | art-291 | Achagua |
| Ethnologue Primary Language Names | art-323 | Achagua |
| Glottolog Languoid Names | art-326 | Achagua |
| Glottocode | art-327 | acha1250 |
| Glottolog Primary Key | art-328 | 23749 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 284 |
| Ethnologue Language Names | art-330 | Achagua |
| Ethnologue Language Names | art-330 | Ajagua |
| Ethnologue Language Names | art-330 | Xagua |
| English | eng-000 | Achagua |
| français | fra-000 | achagua |
| русский | rus-000 | ачагуа |
| español | spa-000 | achagua |
