Southwest Tanna language
| Southwest Tanna | |
|---|---|
| Nawal | |
| Native to | Vanuatu | 
| Region | Tanna Island | 
| Native speakers | 4,500 (2011) | 
| Language codes | |
| ISO 639-3 | nwi | 
| Glottolog | sout2869 | 
| Southwest Tanna is not endangered according to the classification system of the UNESCO Atlas of the World's Languages in Danger | |
Southwest Tanna is a dialect chain spoken on the southwestern coast of Tanna Island in Vanuatu. Lynch (1982) names three major dialects: Nivhaal in the north-west of the language area (spelt "Nauvhal" in publicity for the 2015 film Tanna), Nivai in the south-west, and Nelpwaai in the north-east.