| Official Name: | Ust-Vayenga |
| Native Name: | Усть-Ваеньга |
| Settlement Type: | Settlement |
| 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: | 63°N 79°W[1] |
Ust-Vayenga (Russian: Усть-Ваеньга) is a rural locality (a settlement) and the administrative center of Ust-Vayengskoye Rural Settlement of Vinogradovsky District, Arkhangelsk Oblast, Russia. The population was 964 as of 2010.[2] There are 15 streets.
Ust-Vayenga is located 22 km north of Bereznik (the district's administrative centre) by road.[3]