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

It is located in the north of the oblast.

The area of the district is 3,520 square kilometers (1,360 sq mi).

[citation needed] Its administrative center is the town of Kologriv.

[7] The population of Kologriv accounts for 56.5% of the district's total population.