Qarah Su, Lorestan
Qarah Su 
    قره سو  | |
|---|---|
village  | |
| Coordinates: 33°46′23″N 48°50′07″E / 33.77306°N 48.83528°E | |
| Country | Iran | 
| Province | Lorestan | 
| County | Borujerd | 
| Bakhsh | Central | 
| Rural District | Shirvan | 
| Population  (2006)  | |
 • Total  | 452 | 
| Time zone | UTC+3:30 (IRST) | 
| • Summer (DST) | UTC+4:30 (IRDT) | 
Qarah Su (Persian: قره سو, also Romanized as Qarah Sū, Qareh Sū, and Qara Su) is a village in Shirvan Rural District, in the Central District of Borujerd County, Lorestan Province, Iran. At the 2006 census, its population was 452, in 116 families.