| ISO 639-2/B | art-003 |
| rar | |
| ISO 639-3 | art-001 | rar |
| ISO 639-2/T | art-002 | 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 |
| 普通话 | cmn-000 | 拉罗汤加语 |
| Deutsch | deu-000 | Rarotonganisch |
| English | eng-000 | Rarotongan |
| français | fra-000 | rarotonga |
| Māori Kūki ʻĀirani | rar-000 | Māori Kūki ʼĀirani |
| русский | rus-000 | раротонга |