| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 639 | |
| ISO 639-3 | art-001 | ona |
| Glottolog Languoid Names | art-326 | Selk'nam |
| Glottocode | art-327 | onaa1245 |
| Glottolog Primary Key | art-328 | 29058 |
| English | eng-000 | Ona |
| français | fra-000 | ona |
| español | spa-000 | ona |