Kizilsky District (Russian: Кизильский райо́н; Kazakh: Қызыл ауданы, Qyzyl aýdany) is an administrative and municipal district (raion), one of the twenty-seven in Chelyabinsk Oblast, Russia.

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

The area of the district is 4,413 square kilometers (1,704 sq mi).

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

[6] The population of Kizilskoye accounts for 25.7% of the district's total population.