| Official Name: | Kushki-ye Sofla |
| Native Name: | كوشكي سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Borujerd |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Oshtorinan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Oshtorinan |
| Population As Of: | 2006 |
| Population Total: | 368 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.0169°N 48.8111°W |
Kushki-ye Sofla (Persian: كوشكي سفلي, also Romanized as Kūshkī-ye Soflá and Gūshkī-ye Soflá; also known as Gūshki, Gūshkī-ye Pā’īn, Koshki, and Kūshkī-ye Pā’īn) is a village in Oshtorinan Rural District, Oshtorinan District, Borujerd County, Lorestan Province, Iran. At the 2006 census, its population was 368, in 86 families.