| Official Name: | Kupyanka |
| Native Name: | Купянка |
| Native Name Lang: | ru |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Voronezh Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Voronezh Oblast |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Bogucharsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 49.8833°N 72°W[1] |
Kupyanka (Russian: links=no|Купянка) is a rural locality (a selo) in Popovskoye Rural Settlement, Bogucharsky District, Voronezh Oblast, Russia. The population was 1,062 as of 2010.[2] There are 9 streets.[3]
Kupyanka is located on the left bank of the Bogucharka River, 5 km south of Boguchar (the district's administrative centre) by road. Boguchar is the nearest rural locality.[4]