Maloyaroslavetsky District  Maloyaroslavetsky District () is an administrative and municipal district (raion), one of the twenty-four in Kaluga Oblast, Russia. It is located in the northeast of the oblast. The area of the district is . Its administrative center is the town of Maloyaroslavets. Population: 55,910 (2002 Census); The population of Maloyaroslavets accounts for 56.0% of the district's total population.