| Official Name: | Pervomayskoye |
| Native Name: | Первомайское |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Yegoryevsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 51.7333°N 92°W[1] |
Pervomayskoye (Russian: Первомайское) is a rural locality (a selo) and the administrative center of Pervomaysky Selsoviet of Yegoryevsky District, Altai Krai, Russia. The population was 836 as of 2014.[2] There are 13 streets.
Pervomayskoye is located 30 km east of Novoyegoryevskoye (the district's administrative centre) by road. Mirny is the nearest rural locality.[3]