| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 868 | |
| ISO 639-3 | art-001 | cup |
| Glottolog Languoid Names | art-326 | Cupeño |
| Glottocode | art-327 | cupe1243 |
| Glottolog Primary Key | art-328 | 34721 |
| English | eng-000 | Cupeño |
| français | fra-000 | cupeno |
| español | spa-000 | cupeño |