| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 857 | |
| ISO 639-3 | art-001 | crz |
| Glottolog Languoid Names | art-326 | Cruzeño |
| Glottocode | art-327 | cruz1243 |
| Glottolog Primary Key | art-328 | 43650 |
| English | eng-000 | Island Chumash |
| français | fra-000 | chumash |
| español | spa-000 | chumasho |