| Official Name: | Hasanabad-e Sadat |
| Native Name: | حسن ابادسادات |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qazvin |
| Subdivision Type2: | County |
| Subdivision Name2: | Takestan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Ziaabad |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Dodangeh-ye Sofla |
| Population As Of: | 2006 |
| Population Total: | 272 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.7717°N 49.4125°W |
Hasanabad-e Sadat (Persian: حسن ابادسادات, also Romanized as Ḩasanābād-e Sādāt; also known as Ḩasanābād) is a village in Dodangeh-ye Sofla Rural District, Ziaabad District, Takestan County, Qazvin Province, Iran. At the 2006 census, its population was 272, in 76 families.