| ISO 639-3 | art-001 |
| esq | |
| ISO 639-3 Reference Names | art-289 | Esselen |
| ISO 639-3 Print Names | art-290 | Esselen |
| ISO 639-3 Inverted Names | art-291 | Esselen |
| Ethnologue Primary Language Names | art-323 | Esselen |
| Glottolog Languoid Names | art-326 | Esselen |
| Glottocode | art-327 | esse1238 |
| Glottolog Primary Key | art-328 | 26296 |
| Ethnologue Language Names | art-330 | Esselen |
| Ethnologue Language Names | art-330 | Huelel |
| English | eng-000 | Esselen |
| español | spa-000 | esselen |