Kalocsa (Hungarian: Kalocsai járás; German: Kreis Kollotschau) is a district in western part of Bács-Kiskun County.

The district is located in the Southern Great Plain Statistical Region.

The number of the inhabited places in Kalocsa District is 21.

Besides Hungarian majority, the main minorities are the German (approx.

1,500 persons in Kalocsa District did not declare their ethnic group at the 2011 census.