| ISO 639-3 | art-001 |
| utu | |
| ISO 639-3 Reference Names | art-289 | Utu |
| ISO 639-3 Print Names | art-290 | Utu |
| ISO 639-3 Inverted Names | art-291 | Utu |
| Ethnologue Primary Language Names | art-323 | Utu |
| Glottolog Languoid Names | art-326 | Utu |
| Glottocode | art-327 | utuu1240 |
| Glottolog Primary Key | art-328 | 42899 |
| Ethnologue Language Names | art-330 | Utu |
| English | eng-000 | Utu |