Oktyabrsky () is a rural locality (a settlement) and the administrative center of Oktyabrsky Selsoviet of Zonalny District, Altai Krai, Russia. The population was 1,137 as of 2016. There are 13 streets.
Oktyabrsky is located 9 km northeast of Zonalnoye (the district's administrative centre) by road. Voskhod is the nearest rural locality.
The village is inhabited by Russians and others.