| ISO 639-3 | art-001 |
| rar | |
| ISO 639-2/T | art-002 | rar |
| ISO 639-2/B | art-003 | rar |
| ISO 639-3 Reference Names | art-289 | Rarotongan |
| ISO 639-3 Print Names | art-290 | Cook Islands Maori |
| ISO 639-3 Print Names | art-290 | Rarotongan |
| ISO 639-3 Inverted Names | art-291 | Maori, Cook Islands |
| ISO 639-3 Inverted Names | art-291 | Rarotongan |
| Ethnologue Primary Language Names | art-323 | Rarotongan |
| Glottolog Languoid Names | art-326 | Rarotongan |
| Glottocode | art-327 | raro1241 |
| Glottolog Primary Key | art-328 | 41298 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 704 |
| Ethnologue Language Names | art-330 | Aitutaki |
| Ethnologue Language Names | art-330 | Atiu |
| Ethnologue Language Names | art-330 | Cook Island |
| Ethnologue Language Names | art-330 | Cook Islands Maori |
| Ethnologue Language Names | art-330 | Kuki Airani |
| Ethnologue Language Names | art-330 | Mangaia |
| Ethnologue Language Names | art-330 | Maori |
| Ethnologue Language Names | art-330 | Mauke |
| Ethnologue Language Names | art-330 | Mitiaro |
| Ethnologue Language Names | art-330 | Rarotonga |
| Ethnologue Language Names | art-330 | Rarotongan |
| Ethnologue Language Names | art-330 | Rarotongan-Mangaian |
| 普通话 | cmn-000 | 拉罗汤加语 |
| Deutsch | deu-000 | Rarotonganisch |
| English | eng-000 | Rarotongan |
| français | fra-000 | rarotonga |
| français | fra-000 | rarotongien |
| Māori Kūki ʻĀirani | rar-000 | Māori Kūki ʼĀirani |
| русский | rus-000 | раротонга |
| español | spa-000 | rarotongano |