| ISO 639-3 | art-001 |
| num | |
| ISO 639-3 Reference Names | art-289 | Niuafo'ou |
| ISO 639-3 Print Names | art-290 | Niuafo'ou |
| ISO 639-3 Inverted Names | art-291 | Niuafo'ou |
| Ethnologue Primary Language Names | art-323 | Niuafo’ou |
| Glottolog Languoid Names | art-326 | Niuafo'ou |
| Glottocode | art-327 | niua1240 |
| Glottolog Primary Key | art-328 | 41221 |
| Ethnologue Language Names | art-330 | Niuafo’ou |
| English | eng-000 | Niuafo’ou |