| Official Name: | Bereznichek |
| Native Name: | Березничек |
| Settlement Type: | Village |
| Pushpin Map: | Russia Arkhangelsk Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Arkhangelsk Oblast |
| Subdivision Name3: | Vinogradovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 62.6333°N 98°W[1] |
Bereznichek (ru|Березничек) is a rural locality (a village) in Vinogradovsky District, Arkhangelsk Oblast, Russia. The population was 20 as of 2010.[2] There are 2 streets.
Bereznichek is located on the Vaga River, 33 km southeast of Bereznik (the district's administrative centre) by road. Vazhsky is the nearest rural locality.[3]