| Mentawai | |
|---|---|
| Behase Mentawei | |
| Native to | West Sumatra, Indonesia | 
| Region | Mentawai Islands | 
| Native speakers | 58,000 (2000 census) | 
| Language codes | |
| ISO 639-3 |  | 
| Glottolog | ment1249 | 
The Mentawai language is an Austronesian language, spoken by the Mentawai people of the Mentawai Islands, West Sumatra.
According to Ethnologue, Mentawai dialects include: Silabu, Sipura – Simalegi, Sakalagan, Saumanganja – North Siberut, South Siberut – Taikaku – Pagai.
Syamsir Arifin, et al. (1992) list twelve dialects of Mentawai:
Dialects in Siberut Island are: