| ISO 639-3 | art-001 |
| ren | |
| ISO 639-3 Reference Names | art-289 | Rengao |
| ISO 639-3 Print Names | art-290 | Rengao |
| ISO 639-3 Inverted Names | art-291 | Rengao |
| Ethnologue Primary Language Names | art-323 | Rengao |
| Glottolog Languoid Names | art-326 | Rengao |
| Glottocode | art-327 | reng1252 |
| Glottolog Primary Key | art-328 | 35696 |
| Ethnologue Language Names | art-330 | Bahnar-Rengao |
| Ethnologue Language Names | art-330 | Rengao |
| Ethnologue Language Names | art-330 | Ro-Ngao |
| Ethnologue Language Names | art-330 | Sedang-Rengao |
| Ethnologue Language Names | art-330 | Western Rengao |
| 普通话 | cmn-000 | 楞高语 |
| English | eng-000 | Rengao |