| Simalungun | |
|---|---|
| Sahap Simalungun | |
| Native to | Indonesia |
| Region | Sumatra (northern) |
| Ethnicity | Simalungun |
Native speakers | 1.2 million (2000)[1] |
Austronesian
| |
| Latin, Batak | |
| Language codes | |
| ISO 639-3 | bts |
| Glottolog | bata1288 |
Simalungun, or Batak Simalungun, is an Austronesian language of Sumatra. It is spoken mainly in Simalungun Regency and Pematang Siantar, North Sumatra, Indonesia.