Borovsky District (Russian: Боровский райо́н) is an administrative[1] and municipal[4] district (raion), one of the twenty-four in Kaluga Oblast, Russia.

It is located in the north of the oblast.

The area of the district is 759.6 square kilometers (293.3 sq mi).

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

[9] The population of Borovsk accounts for 16.6% of the district's total population.