| Official Name: | Khalaf Beygluy-e Sofla |
| Native Name: | خلف بيگلوي سفلي |
| Settlement Type: | Village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Khoda Afarin |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Garamduz |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Garamduz |
| Population As Of: | 2006 |
| Population Total: | 161 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 39.3519°N 47.295°W |
Khalaf Beygluy-e Sofla (fa|خلف بيگلوي سفلي, also Romanized as Khalaf Beyglūy-e Soflá; also known as Halāk Beyglū, Khalaf Beyglū, and Khalaf Beyglū-ye Pā'īn) is a village in Garamduz Rural District, Garamduz District, Khoda Afarin County, East Azerbaijan Province, Iran. At the 2006 census, its population was 161, in 36 families.