| Official Name: | Tarazan-e Sofla |
| Native Name: | طرازان سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qazvin |
| Subdivision Type2: | County |
| Subdivision Name2: | Qazvin |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Tarom Sofla |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kuhgir |
| Population As Of: | 2006 |
| Population Total: | 245 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.5039°N 49.5156°W |
Tarazan-e Sofla (Persian: طرازان سفلي, also Romanized as Ţarāzān-e Soflá) is a village in Kuhgir Rural District, Tarom Sofla District, Qazvin County, Qazvin Province, Iran. At the 2006 census, its population was 245, in 73 families.