| Official Name: | Qepchaq |
| Native Name: | قپچاق |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Osku |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Ilkhchi |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Jazireh |
| Population As Of: | 2006 |
| Population Total: | 620 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.9225°N 45.5111°W |
Qepchaq (Persian: قپچاق, also Romanized as Qepchāq and Qopchāq; also known as Kipchak, Qebchāq, Qebjāq, Qeychāq, and Qobjāq) is a village in Jazireh Rural District, Ilkhchi District, Osku County, East Azerbaijan Province, Iran. At the 2006 census, its population was 620, in 169 families.