| Official Name: | Aqchay-e Sofla |
| Native Name: | اق چاي سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Ardabil |
| Subdivision Type2: | County |
| Subdivision Name2: | Nir |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Kuraim |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Yurchi-ye Sharqi |
| Population As Of: | 2006 |
| Population Total: | 207 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Coordinates: | 37.9381°N 48.1667°W |
Aqchay-e Sofla (Persian: اق چاي سفلي, also Romanized as Āqchāy-e Soflá and Aqchāy Soflá; also known as Āgh Chāy Pā’īn, Akchayl-y, Āqā Chāy-e Pā’īn, and Āq Chāy-e Pā’īn) is a village in Yurchi-ye Sharqi Rural District, Kuraim District, Nir County, Ardabil Province, Iran. At the 2006 census, its population was 207, in 38 families.