| ISO 639-3 | art-001 |
| nez | |
| ISO 639-3 Reference Names | art-289 | Nez Perce |
| ISO 639-3 Print Names | art-290 | Nez Perce |
| ISO 639-3 Inverted Names | art-291 | Nez Perce |
| Ethnologue Primary Language Names | art-323 | Nez Perce |
| Glottolog Languoid Names | art-326 | Nez Perce |
| Glottocode | art-327 | nezp1238 |
| Glottolog Primary Key | art-328 | 34495 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 824 |
| Ethnologue Language Names | art-330 | Downriver Nez Perce |
| Ethnologue Language Names | art-330 | Nez Perce |
| Ethnologue Language Names | art-330 | Nuumiipuutimt |
| Ethnologue Language Names | art-330 | Nuumiipuutímt |
| Ethnologue Language Names | art-330 | Upriver Nez Perce |
| 普通话 | cmn-000 | 内慈佩尔塞语 |
| English | eng-000 | Nez Perce |
| français | fra-000 | nez-percé |
| español | spa-000 | nez-percés |