| ISO 639-3 Reference Names | art-289 | T'apo |
| ISO 639-3 Print Names | art-290 | Opuuo |
| ISO 639-3 Print Names | art-290 | T'apo |
| ISO 639-3 Inverted Names | art-291 | Opuuo |
| ISO 639-3 Inverted Names | art-291 | T'apo |
| Ethnologue Primary Language Names | art-323 | Opuuo |
| Glottolog Languoid Names | art-326 | Opuuo |
| Glottocode | art-327 | opuu1239 |
| Glottolog Primary Key | art-328 | 25968 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1682 |
| Ethnologue Language Names | art-330 | Ansita |
| Ethnologue Language Names | art-330 | Barun |
| Ethnologue Language Names | art-330 | Baruun |
| Ethnologue Language Names | art-330 | Buldit |
| Ethnologue Language Names | art-330 | Ciita |
| Ethnologue Language Names | art-330 | Cita |
| Ethnologue Language Names | art-330 | Kina |
| Ethnologue Language Names | art-330 | Kusgilo |
| Ethnologue Language Names | art-330 | Kwina |
| Ethnologue Language Names | art-330 | Langa |
| Ethnologue Language Names | art-330 | Opo |
| Ethnologue Language Names | art-330 | Opo-Shita |
| Ethnologue Language Names | art-330 | Opuo |
| Ethnologue Language Names | art-330 | Opuuo |
| Ethnologue Language Names | art-330 | Shiita |
| Ethnologue Language Names | art-330 | Shita |
| Ethnologue Language Names | art-330 | Shitta |
| Ethnologue Language Names | art-330 | Upo |
| English | eng-000 | Opuuo |
| français | fra-000 | opuo |
| español | spa-000 | opúo |
