| 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: | Pervomaysky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 53.7167°N 85°W[1] |
Pervomayskoye (Russian: Первомайское) is a rural locality (a selo) and the administrative center of Pervomaysky Selsoviet, Pervomaysky District, Altai Krai, Russia. The population was 4,821 as of 2013.[2] There are 42 streets.
Pervomayskoye is located 45 km north of Novoaltaysk (the district's administrative centre) by road. Novopovalikha is the nearest rural locality.[3]