Krasnooktyabrsky (Russian: Краснооктя́брьский) is an urban locality (an urban-type settlement) in Medvedevsky District of the Mari El Republic, Russia.

As of the 2010 Census, its population was 4,559.

[2] Within the framework of administrative divisions, the urban-type settlement of Krasnooktyabrsky is incorporated within Medvedevsky District as Krasnooktyabrsky Urban-Type Settlement[9] (an administrative division of the district).

[1] As a municipal division, Krasnooktyabrsky Urban-Type Settlement is incorporated within Medvedevsky Municipal District as Krasnooktyabrsky Urban Settlement.

[3]