| Official Name: | Pustyn |
| Native Name: | Пустынь |
| Settlement Type: | Village |
| Pushpin Map: | Russia Vologda Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Vologda Oblast |
| Subdivision Name3: | Chagodoshchensky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 59.0333°N 83°W[1] |
Pustyn (Russian: Пустынь) is a rural locality (a village) in Megrinskoye Rural Settlement, Chagodoshchensky District, Vologda Oblast, Russia. The population was 10 as of 2002.[2]
Pustyn is located southeast of Chagoda (the district's administrative centre) by road. Zalozno is the nearest rural locality.[3]