| Official Name: | Altun-e Sofla |
| Native Name: | آلتون سفلی |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kurdistan |
| Subdivision Type2: | County |
| Subdivision Name2: | Saqqez |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Sara |
| Population As Of: | 2006 |
| Population Total: | 322 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.2853°N 46.2708°W |
Altun-e Sofla (Persian: آلتون سفلی, also Romanized as Altūn-e Soflá) is a village in Sara Rural District, in the Central District of Saqqez County, Kurdistan Province, Iran. At the 2006 census, its population was 322, in 58 families. The village is populated by Kurds.[1]