| Official Name: | Dizaj-e Reza Qoli Beyg |
| Native Name: | ديزج رضاقلي بيگ |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Hashtrud |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kuhsar |
| Population As Of: | 2006 |
| Population Total: | 875 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.5219°N 47.2022°W |
Dizaj-e Reza Qoli Beyg (Persian: ديزج رضاقلي بيگ, also Romanized as Dīzaj-e Rez̤ā Qolī Beyg; also known as ‘Alī Qolī Beyg, Dīzaj, and Dīzaj-e ‘Alīqolī Beyg) is a village in Kuhsar Rural District, in the Central District of Hashtrud County, East Azerbaijan Province, Iran. At the 2006 census, its population was 875, in 212 families.