Sumar District
| Sumar District Persian: بخش سومار | |
|---|---|
| Coordinates: 34°02′25″N 45°35′25″E / 34.04028°N 45.59028°E | |
| Country | Iran | 
| Province | Kermanshah | 
| County | Qasr-e Shirin | 
| Capital | Sumar | 
| Population  (2016) | |
|  • Total | 557 | 
| Time zone | UTC+3:30 (IRST) | 
Sumar District (Persian: بخش سومار) is in Qasr-e Shirin County, Kermanshah province, Iran. Its capital is the city of Sumar.