| Official Name: | Qasemabad-e Sofla |
| Native Name: | قاسم ابادسفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Markazi |
| Subdivision Type2: | County |
| Subdivision Name2: | Zarandieh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Rudshur |
| Population As Of: | 2006 |
| Population Total: | 37 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.3308°N 50.7097°W |
Qasemabad-e Sofla (Persian: قاسم ابادسفلي, also Romanized as Qāsemābād-e Soflá; also known as Qāsemābād) is a village in Rudshur Rural District, in the Central District of Zarandieh County, Markazi Province, Iran. At the 2006 census, its population was 37, in 7 families.