Krasnoarmeysky District (Russian: Красноарме́йский райо́н) is an administrative[1] and municipal[5] district (raion), one of the twenty-seven in Samara Oblast, Russia.

It is located in the southwest of the oblast.

The area of the district is 2,190 square kilometers (850 sq mi).

[3] Its administrative center is the rural locality (a selo) of Krasnoarmeyskoye.

[9] The population of Krasnoarmeyskoye accounts for 29.6% of the district's total population.