| Official Name: | Qusha Bolagh-e Sofla |
| Native Name: | قوشابلاغ سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | West Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Chaldoran |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Baba Jik |
| Population As Of: | 2006 |
| Population Total: | 185 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 39.0061°N 44.7717°W |
Qusha Bolagh-e Sofla (Persian: قوشابلاغ سفلي, also Romanized as Qūshā Bolāgh-e Soflá and Qowshā Bolāgh-e Soflá; also known as Qūshā Bolāgh-e Pā’īn) is a village in Baba Jik Rural District, in the Central District of Chaldoran County, West Azerbaijan Province, Iran. At the 2006 census, its population was 185, in 32 families.