| ISO 639-3 | art-001 |
| rao | |
| ISO 639-3 Reference Names | art-289 | Rao |
| ISO 639-3 Print Names | art-290 | Rao |
| ISO 639-3 Inverted Names | art-291 | Rao |
| Ethnologue Primary Language Names | art-323 | Rao |
| Glottolog Languoid Names | art-326 | Rao |
| Glottocode | art-327 | raoo1244 |
| Glottolog Primary Key | art-328 | 28782 |
| Ethnologue Language Names | art-330 | Annaberg |
| Ethnologue Language Names | art-330 | Li’o |
| Ethnologue Language Names | art-330 | Ndramini’o |
| Ethnologue Language Names | art-330 | Rao |
| Ethnologue Language Names | art-330 | Rao Breri |
| English | eng-000 | Rao |