| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 2350 | |
| ISO 639-3 | art-001 | cha |
| Glottolog Languoid Names | art-326 | Chamorro |
| Glottocode | art-327 | cham1312 |
| Glottolog Primary Key | art-328 | 40646 |
| English | eng-000 | Chamorro |
| français | fra-000 | chamorro |
| español | spa-000 | chamorro |