Kilmezsky District (Russian: Кильме́зский райо́н) is an administrative[1] and municipal[5] district (raion), one of the thirty-nine in Kirov Oblast, Russia.

It is located in the southeast of the oblast.

The area of the district is 3,106.4 square kilometers (1,199.4 sq mi).

[2] Its administrative center is the urban locality (an urban-type settlement) of Kilmez.

[8] The population of Kilmez accounts for 45.5% of the district's total population.