| Official Name: | Atdarrahsi |
| Native Name: | ات دره سي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | West Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Miandoab |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Baruq |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Ajorluy-ye Sharqi |
| Population As Of: | 2006 |
| Population Total: | 121 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.9731°N 46.7653°W |
Atdarrahsi (Persian: ات دره سي, also Romanized as Ātdarrahsī; also known as Ātdarrasī) is a village in Ajorluy-ye Sharqi Rural District, Baruq District, Miandoab County, West Azerbaijan Province, Iran. At the 2006 census, its population was 121, in 20 families.