Kumyonsky District () is an administrative and municipal district (raion), one of the thirty-nine in Kirov Oblast, Russia. It is located in the center of the oblast. The area of the district is . Its administrative center is the urban locality (an urban-type settlement) of Kumyony. Population: 19,472 (2002 Census); The population of Kumyony accounts for 27.8% of the district's total population.