| Official Name: | Sefideh |
| Native Name: | سفيده |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Nain |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Lay Siyah |
| Population As Of: | 2006 |
| Population Total: | 9 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.6875°N 52.9297°W |
Sefideh (Persian: سفيده, also Romanized as Sefīdeh and Safīdeh) is a village in Lay Siyah Rural District, in the Central District of Nain County, Isfahan Province, Iran. At the 2006 census, its population was 9, in 5 families.