| Official Name: | Qazan Daghi |
| Native Name: | قازان داغي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qazvin |
| Subdivision Type2: | County |
| Subdivision Name2: | Takestan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Qaqazan-e Sharqi |
| Population As Of: | 2006 |
| Population Total: | 63 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.1172°N 49.6486°W |
Qazan Daghi (Persian: قازان داغي, also Romanized as Qāzān Dāghī; also known as Qārān Dāghī) is a village in Qaqazan-e Sharqi Rural District, in the Central District of Takestan County, Qazvin Province, Iran. At the 2006 census, its population was 63, in 15 families.