| Official Name: | Hesar-e Hasan Beyk |
| Native Name: | حصارحسن بيك |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Tehran |
| Subdivision Type2: | County |
| Subdivision Name2: | Varamin |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Javadabad |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Behnamarab-e Jonubi |
| Population As Of: | 2006 |
| Population Total: | 1,019 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.2078°N 51.7114°W |
Hesar-e Hasan Beyk (Persian: حصارحسن بيك, also Romanized as Ḩeşār-e Ḩasan Beyk and Ḩeşār-e Ḩasan Beyg) is a village in Behnamarab-e Jonubi Rural District, Javadabad District, Varamin County, Tehran Province, Iran. At the 2006 census, its population was 1,019, in 262 families.