Maloyaroslavetsky District (Russian: Малоярославецкий райо́н) is an administrative[1] and municipal[4] 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 1,547 square kilometers (597 sq mi).

[2] Its administrative center is the town of Maloyaroslavets.

[8] The population of Maloyaroslavets accounts for 60.9% of the district's total population.