| English | eng-000 |
| Nivaclé | |
| ISO 639-3 | art-001 | cag |
| ISO 639-3 Inverted Names | art-291 | Nivaclé |
| Glottolog Languoid Names | art-326 | Nivaclé |
| Glottocode | art-327 | niva1238 |
| Glottolog Primary Key | art-328 | 34030 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2189 |
| français | fra-000 | nivaclé |
| español | spa-000 | chulupí |