| English | eng-000 |
| Aché | |
| luenga aragonesa | arg-000 | Idioma aché |
| ISO 639-3 | art-001 | guq |
| ISO 639-3 Inverted Names | art-291 | Aché |
| Glottolog Languoid Names | art-326 | Aché |
| Glottocode | art-327 | ache1246 |
| Glottolog Primary Key | art-328 | 24393 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2186 |
| suomi | fin-000 | Aché |
| français | fra-000 | aché |
| galego | glg-000 | Aché |
| hrvatski | hrv-000 | Guayakí |
| lietuvių | lit-000 | Ačai |
| português | por-000 | Guayaki |
| español | spa-000 | Aché |
| español | spa-000 | aché |