Hajdúhadház (Hungarian: Hajdúhadházi járás) is a district in northern part of Hajdú-Bihar County.

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

This district is a part of Hajdúság historical and geographical region.

Besides the Hungarian majority, the main minority is the Roma (approx.

50 persons in Hajdúhadház District did declare more than one ethnic group at the 2011 census.