Kalacheyevsky District (Russian: Калаче́евский райо́н) is an administrative[1] and municipal[4] district (raion), one of the thirty-two in Voronezh Oblast, Russia.

It is located in the east of the oblast.

The area of the district is 2,106 square kilometers (813 sq mi).

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

[7] The population of Kalach accounts for 35.0% of the district's total population.