| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 824 | |
| ISO 639-3 | art-001 | nez |
| Glottolog Languoid Names | art-326 | Nez Perce |
| Glottocode | art-327 | nezp1238 |
| Glottolog Primary Key | art-328 | 34495 |
| English | eng-000 | Nez Perce |
| français | fra-000 | nez-percé |
| español | spa-000 | nez-percés |