| Official Name: | Shahrestanak |
| Native Name: | شهرستانك |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Tehran |
| Subdivision Type2: | County |
| Subdivision Name2: | Robat Karim |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Vahnabad |
| Population As Of: | 2006 |
| Population Total: | 315 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.4689°N 51.1797°W |
Shahrestanak (Persian: شهرستانك, also Romanized as Shahrestānak; also known as Shahrestān) is a village in Vahnabad Rural District, in the Central District of Robat Karim County, Tehran Province, Iran. At the 2006 census, its population was 315, in 76 families.