| Official Name: | Derafsh-e Sofla |
| Native Name: | درفش سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Mamasani |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Jowzar |
| Population As Of: | 2006 |
| Population Total: | 114 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.235°N 51.6914°W |
Derafsh-e Sofla (Persian: درفش سفلي, also Romanized as Derafsh-e Soflá; also known as Derafsh-e Pā’īn) is a village in Jowzar Rural District, in the Central District of Mamasani County, Fars Province, Iran. At the 2006 census, its population was 114, in 26 families.