| Official Name: | Zardalu Sofla |
| Native Name: | زردآلو سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Delfan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Nurabad |
| Population As Of: | 2006 |
| Population Total: | 14 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.1033°N 47.8556°W |
Zardalu Sofla (fa|زردآلو سفلي, also Romanized as Zardālū Soflá; also known as Zardālū) is a village in Nurabad Rural District, in the Central District of Delfan County, Lorestan Province, Iran.
At the 2006 census, the village's population was 14, distributed over 4 families.