Oktyabrsky District (Russian: Октя́брьский райо́н) is an administrative and municipal district (raion), one of the twenty-seven in Chelyabinsk Oblast, Russia.

[1] It is located in the east of the oblast.

The area of the district is 4,356 square kilometers (1,682 sq mi).

[2] Its administrative center is the rural locality (a selo) of Oktyabrskoye.

[6] The population of Oktyabrskoye accounts for 32.1% of the district's total population.