| Official Name: | Sisakhti-ye Sofla |
| Native Name: | سي سختي سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Kazerun |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Jereh and Baladeh |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Famur |
| Population As Of: | 2006 |
| Population Total: | 169 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.4822°N 51.8975°W |
Sisakhti-ye Sofla (Persian: سي سختي سفلي, also Romanized as Sīsakhtī-ye Soflá; also known as Sīsakhtī) is a village in Famur Rural District, Jereh and Baladeh District, Kazerun County, Fars Province, Iran. At the 2006 census, its population was 169, in 38 families.