| Official Name: | Poshteh-ye Sofla |
| Native Name: | پشته سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Dorud |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Silakhor |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Chalanchulan |
| Population As Of: | 2006 |
| Population Total: | 87 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.63°N 48.8567°W |
Poshteh-ye Sofla (Persian: پشته سفلي, also Romanized as Poshteh-ye Soflá; also known as Poshteh Pā’īn and Poshteh-ye Pā’īn) is a village in Chalanchulan Rural District, Silakhor District, Dorud County, Lorestan Province, Iran. At the 2006 census, its population was 87, in 21 families.