| Debrecen District | |
| Native Name: | Debreceni járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | Coa Hungary Town Debrecen.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Hajdú-Bihar |
| Seat Type: | District seat |
| Seat: | Debrecen |
| Area Total Km2: | 531.12 |
| Area Rank: | 7th in Hajdú-Bihar |
| Population As Of: | 2011 census |
| Population Total: | 224,228 |
| Population Rank: | 1st in Hajdú-Bihar |
| Population Density Km2: | 423 |
Debrecen (Hungarian: Debreceni járás) is a district in central part of Hajdú-Bihar County. Debrecen is also the name of the town where the district seat is found. The district is located in the Northern Great Plain Statistical Region.
Debrecen District borders with Hajdúböszörmény District, Hajdúhadház District and Nagykálló District (Szabolcs-Szatmár-Bereg County) to the north, Nyíradony District to the east, Derecske District to the south, Hajdúszoboszló District and Balmazújváros District to the west. The number of the inhabited places in Debrecen District is 2.
The district has 1 urban county, 1 town.(ordered by population, as of 1 January 2012)[1] The bolded municipalities are cities.
In 2011, it had a population of 224,448 and the population density was 423/km².
Besides the Hungarian majority, the main minorities are the Roma (approx. 2,000), German (1,300), Romanian (800), Arab (350), Russian and Ukrainian (300), Bulgarian (200), Rusyn, Slovak, Polish, Armenian, Greek and Serb (100).
Total population (2011 census): 224,448
Ethnic groups (2011 census):[3] Identified themselves: 200,417 persons:
190,831 (95.22%)
Approx. 24,000 persons in Debrecen District did not declare their ethnic group at the 2011 census.
Religious adherence in the county according to 2011 census:[4]