| English | eng-000 |
| Mattole | |
| ISO 639-3 | art-001 | mvb |
| ISO 639-3 Inverted Names | art-291 | Mattole |
| Glottolog Languoid Names | art-326 | Mattole |
| Glottocode | art-327 | matt1238 |
| Glottolog Primary Key | art-328 | 44812 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 781 |
| English | eng-000 | Eel River |
| English | eng-000 | longways |
| suomi | fin-000 | mattole |
| français | fra-000 | mattole |
| hrvatski | hrv-000 | Mattole |
| русский | rus-000 | индеец маттоле |
| русский | rus-000 | маттоле |
| русский | rus-000 | язык маттоле |
| español | spa-000 | mattole |
| ภาษาไทย | tha-000 | ชนเผ่าเมตโทเล |
| ภาษาไทย | tha-000 | ภาษาเมตโทเล |
| Northern Sinkyone | wlk-003 | --- |