| Official Name: | Dulangan-e Sofla |
| Native Name: | دولنگان سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kermanshah |
| Subdivision Type2: | County |
| Subdivision Name2: | Sarpol-e Zahab |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Qaleh Shahin |
| Population As Of: | 2006 |
| Population Total: | 359 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.4106°N 45.9097°W |
Dulangan-e Sofla (Persian: دولنگان سفلي, also Romanized as Dūlangān-e Soflá; also known as Dolangān-e Pā’īn, Dolangān-e Soflá, and Dūlgān-e Pā’īn) is a village in Qaleh Shahin Rural District, in the Central District of Sarpol-e Zahab County, Kermanshah Province, Iran. At the 2006 census, its population was 359, in 84 families.