| English | eng-000 |
| Wappo | |
| ISO 639-3 | art-001 | wao |
| ISO 639-3 Inverted Names | art-291 | Wappo |
| Glottolog Languoid Names | art-326 | Wappo |
| Glottocode | art-327 | wapp1239 |
| Glottolog Primary Key | art-328 | 28731 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 850 |
| français | fra-000 | wappo |
| hrvatski | hrv-000 | Wappo |
| русский | rus-000 | ваппо |
| русский | rus-000 | индеец ваппо |
| русский | rus-000 | язык ваппо |
| español | spa-000 | wappo |