| ISO 639-3 | art-001 |
| nwi | |
| ISO 639-3 Reference Names | art-289 | Southwest Tanna |
| ISO 639-3 Print Names | art-290 | Southwest Tanna |
| ISO 639-3 Inverted Names | art-291 | Tanna, Southwest |
| Ethnologue Primary Language Names | art-323 | Tanna, Southwest |
| Glottolog Languoid Names | art-326 | Southwest Tanna |
| Glottocode | art-327 | sout2869 |
| Glottolog Primary Key | art-328 | 41575 |
| Ethnologue Language Names | art-330 | Nafe |
| Ethnologue Language Names | art-330 | Naha |
| Ethnologue Language Names | art-330 | Narpaimene |
| Ethnologue Language Names | art-330 | Nowai |
| Ethnologue Language Names | art-330 | Nvhal |
| Ethnologue Language Names | art-330 | Siporo |
| Ethnologue Language Names | art-330 | Tanna, Southwest |
| Ethnologue Language Names | art-330 | Vaha |
| Ethnologue Language Names | art-330 | Yahurmene |
| Deutsch | deu-000 | Südwest-Tanna |
| English | eng-000 | Southwest Tanna |