| ISO 639-3 | art-001 |
| onu | |
| ISO 639-3 Reference Names | art-289 | Unua |
| ISO 639-3 Print Names | art-290 | Unua |
| ISO 639-3 Inverted Names | art-291 | Unua |
| Ethnologue Primary Language Names | art-323 | Unua |
| Glottolog Languoid Names | art-326 | Unua |
| Glottocode | art-327 | unua1237 |
| Glottolog Primary Key | art-328 | 41440 |
| Ethnologue Language Names | art-330 | Bush Unua |
| Ethnologue Language Names | art-330 | Onua |
| Ethnologue Language Names | art-330 | Pangkumu |
| Ethnologue Language Names | art-330 | Unua |
| English | eng-000 | Unua |