| Official Name: | Novopetrovka |
| Native Name: | Новопетровка |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Kulundinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 52.5333°N 132°W[1] |
Novopetrovka (Russian: Новопетровка) is a rural locality (a selo) in Oktyabrsky Selsoviet, Kulundinsky District, Altai Krai, Russia. The population was 378 as of 2013.[2] There are 3 streets.
Novopetrovka is located 7 km southwest of Kulunda (the district's administrative centre) by road. Kulunda is the nearest rural locality.[3]