| Official Name: | Osinovik |
| Native Name: | Осиновик |
| 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: | 58.5333°N 67°W[1] |
Osinovik (Russian: Осиновик) is a rural locality (a village) in Nikolskoye Rural Settlement, Ustyuzhensky District, Vologda Oblast, Russia. The population was 3 as of 2002.[2]
Osinovik is located south of Ustyuzhna (the district's administrative centre) by road. Yemelyanikha is the nearest rural locality.[3]