| Official Name: | Qarah Bulagh |
| Native Name: | قره بولاغ |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Zanjan |
| Subdivision Type2: | County |
| Subdivision Name2: | Zanjan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Zanjanrud-e Bala |
| Population As Of: | 2006 |
| Population Total: | 176 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.6739°N 48.1392°W |
Qarah Bulagh (fa|قره بولاغ, also Romanized as Qarah Būlāgh; also known as Kara-Bulag, Qarabulāq, Qarah Bolāgh, and Qareh Bolāgh) is a village in Zanjanrud-e Bala Rural District, in the Central District of Zanjan County, Zanjan Province, Iran. At the 2006 census, its population was 176, in 37 families.