| Official Name: | Sefidaleh |
| Native Name: | سفيداله |
| Settlement Type: | village |
| Mapsize: | 150px |
| Pushpin Map: | Iran |
| Coordinates: | 34.6053°N 50.3583°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | County |
| Subdivision Type3: | Bakhsh |
| Subdivision Type4: | Rural District |
| Subdivision Name1: | Qom |
| Subdivision Name2: | Qom |
| Subdivision Name3: | Khalajestan |
| Subdivision Name4: | Dastjerd |
| Population Total: | 53 |
| Population As Of: | 2016 |
| Population Density Km2: | auto |
| Area Code: | 0253 |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Sefidaleh (Persian: سفيداله, also Romanized as Sefīdāleh) is a village in Dastjerd Rural District, Khalajestan District, Qom County, Qom Province, Iran. At the 2016 census, its population was 53, in 20 families. Most fruits of the village are pomegranates. But along with those fruits like blackberries and walnuts are also found. Villagers are engaged in construction and agriculture in the countryside.
The weather in the village is hot and dry in the summer, but it has a cool winter and a beautiful spring.