| ISO 639-3 | art-001 |
| opt | |
| ISO 639-3 Reference Names | art-289 | Opata |
| ISO 639-3 Print Names | art-290 | Opata |
| ISO 639-3 Inverted Names | art-291 | Opata |
| Ethnologue Primary Language Names | art-323 | Opata |
| Glottolog Languoid Names | art-326 | Opata |
| Glottocode | art-327 | opat1246 |
| Glottolog Primary Key | art-328 | 34615 |
| Ethnologue Language Names | art-330 | Eudeve |
| Ethnologue Language Names | art-330 | Opata |
| English | eng-000 | Opata |
| español | spa-000 | ópata |