Kumylzhensky District (Russian: Кумылженский райо́н) is an administrative[1] district (raion), one of the thirty-three in Volgograd Oblast, Russia.

[5] It is located in the west of the oblast.

The area of the district is 2,977 square kilometers (1,149 sq mi).

[3] Its administrative center is the rural locality (a stanitsa) of Kumylzhenskaya.

[8] The population of Kumylzhenskaya accounts for 37.1% of the district's total population.