| Official Name: | Satlu |
| Native Name: | ساعتلو |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | West Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Urmia |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Baranduzchay-ye Shomali |
| Population As Of: | 2006 |
| Population Total: | 77 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.4217°N 45.1483°W |
Satlu (Persian: ساعتلو, also Romanized as Sā‘tlū, Sā‘atlū, and Saatlu; also known as Sā‘atlū-ye Bīvaleh; in Armenian: Սաատլու) is a village in Baranduzchay-ye Shomali Rural District, in the Central District of Urmia County, West Azerbaijan Province, Iran. At the 2006 census, its population was 77, in 29 families.