| Official Name: | Fathabad-e Sofla |
| Native Name: | فتح ابادسفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Shiraz |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Arzhan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kuh Mareh Sorkhi |
| Population As Of: | 2006 |
| Population Total: | 208 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.3253°N 52.1386°W |
Fathabad-e Sofla (Persian: فتح ابادسفلي, also Romanized as Fatḩābād-e Soflá) is a village in Kuh Mareh Sorkhi Rural District, Arzhan District, Shiraz County, Fars Province, Iran. At the 2006 census, its population was 208, in 44 families.