| Official Name: | Oktyabrsky |
| Native Name: | Октябрьский |
| Settlement Type: | Settlement |
| 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: | 52.55°N 130°W[1] |
Oktyabrsky (Russian: Октябрьский) is a rural locality (a settlement) and the administrative center of Oktyabrsky Selsoviet, Kulundinsky District, Altai Krai, Russia. The population was 1,263 as of 2013.[2] There are 15 streets.
Oktyabrsky is located 5 km west of Kulunda (the district's administrative centre) by road. Kulunda is the nearest rural locality.[3]