| Official Name: | Zimnyak |
| Native Name: | Зимняк |
| Settlement Type: | Village |
| Pushpin Map: | Russia Vologda Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Vologda Oblast |
| Subdivision Name3: | Gryazovetsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 59.0833°N 63°W[1] |
Zimnyak (Russian: Зимняк) is a rural locality (a village) in Sidorovskoye Rural Settlement, Gryazovetsky District, Vologda Oblast, Russia. The population was 84 as of 2002.[2] There are 3 streets.[3]
Zimnyak is located 34 km north of Gryazovets (the district's administrative centre) by road. Gora is the nearest rural locality.[4]