Nagykőrös (Hungarian: Nagykőrösi járás) is a district in the south-eastern part of Pest County, Hungary.

The district is located in the Central Hungary Statistical Region.

(ordered by population, as of 1 January 2013)[1] The bolded municipality is the city.

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

3,000 persons in Nagykőrös District did not declare their ethnic group at the 2011 census.