| Official Name: | Lay |
| Native Name: | لاي |
| 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: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Dursun Khvajeh |
| Population As Of: | 2006 |
| Population Total: | 178 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Coordinates: | 38.1158°N 47.905°W |
Lay (Persian: لاي, also romanized as Lāy) is a village in Dursun Khvajeh Rural District, in the Central District of Nir County, Ardabil Province, Iran. At the 2006 census, its population was 178, in 42 families.