Jászberény (Hungarian: Jászberényi járás) is a district in north-western part of Jász-Nagykun-Szolnok County.

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

This district is a part of Jászság historical, ethnographical and geographical region.

The Jászberény Neighborhood was formed from the area of the ceased district.

4,000 persons in Jászberény District did not declare their ethnic group at the 2011 census.