| Official Name: | Kvashnino |
| Native Name: | Квашнино |
| Settlement Type: | Village |
| Pushpin Map: | Russia Vologda Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Vologda Oblast |
| Subdivision Name3: | Ustyuzhensky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 58.7833°N 53°W[1] |
Kvashnino (Russian: Квашнино) is a rural locality (a village) in Zalesskoye Rural Settlement, Ustyuzhensky District, Vologda Oblast, Russia. The population was 38 as of 2002.[2] There are 2 streets.[3]
Kvashnino is located southwest of Ustyuzhna (the district's administrative centre) by road. Stepachyovo is the nearest rural locality.[4]