| Official Name: | Heydareh-ye Posht-e Shahr |
| Native Name: | حيدره پشتشهر |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hamadan |
| Subdivision Type2: | County |
| Subdivision Name2: | Hamadan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Alvandkuh-e Gharbi |
| Population As Of: | 2006 |
| Population Total: | 1,232 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.8025°N 48.4575°W |
Heydareh-ye Posht-e Shahr (Persian: حيدره پشتشهر, also Romanized as Ḩeydareh-ye Posht-e Shahr; also known as Ḩeydareh and Ḩeydar-e Posht-e Shahr) is a village in Alvandkuh-e Gharbi Rural District, in the Central District of Hamadan County, Hamadan Province, Iran. At the 2006 census, its population was 1,232, in 352 families.