Dunaújváros (Hungarian: Dunaújvárosi járás) is a district in south-eastern part of Fejér County.

Dunaújváros is also the name of the town where the district seat is found.

The district is located in the Central Transdanubia Statistical Region.

The number of the inhabited places in Dunaújváros District is 16.

(ordered by population, as of 1 January 2012)[1] The bolded municipalities are cities, italics municipalities are large villages.