| Official Name: | Dehdar |
| Native Name: | دهدر |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Alborz |
| Subdivision Type2: | County |
| Subdivision Name2: | Taleqan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Bala Taleqan |
| Population As Of: | 2006 |
| Population Total: | 192 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Coordinates: | 36.1869°N 51.045°W |
Dehdar (Persian: دهدر) is a village in Bala Taleqan Rural District, in the Central District of Taleqan County, Alborz Province, Iran. At the 2006 census, its population was 123, in 27 families.
this village it have historical places for example: the Castel of kian banoo(Kian khatoon Castel or Nodè Castel) 1100 bc .
and historical bath that was constructed in 1590.