| Regions with significant populations | |
|---|---|
 Vietnam 909 (2019)[1] Laos 3,151 (2015)[2] | |
| Languages | |
| Sila, Vietnamese, Lao, others | |
| Religion | |
| Traditional religion/ancestor worship, Buddhism, Christianity |
The Si La (also Sila or Syla) are an ethnic group of about 3,151 people living in northern Laos and another 600 living in two villages: Nậm Sin and Seo Hay of Lai Châu Province, Northwest region, Vietnam.
- ^ "Report on Results of the 2019 Census". General Statistics Office of Vietnam. Retrieved 1 May 2020.
- ^ "Results of Population and Housing Census 2015" (PDF). Lao Statistics Bureau. Retrieved 1 May 2020.