| Official Name: | Hoseynabad-e Beglar Beygi |
| Native Name: | حسين ابادبيگلربيگي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qazvin |
| Subdivision Type2: | County |
| Subdivision Name2: | Buin Zahra |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Dashtabi |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Dashtabi-ye Gharbi |
| Population As Of: | 2006 |
| Population Total: | 86 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.9903°N 49.8139°W |
Hoseynabad-e Beglar Beygi (Persian: حسين ابادبيگلربيگي, also Romanized as Ḩoseynābād-e Beglar Beygī and Ḩoseynābād-e Bīglarbeygī) is a village in Dashtabi-ye Gharbi Rural District, Dashtabi District, Buin Zahra County, Qazvin Province, Iran. At the 2006 census, its population was 86, in 23 families.