| Hajdúnánás District | |
| Native Name: | Hajdúnánási járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | HUN Hajdúnánás.Címer.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Hajdú-Bihar |
| Seat Type: | District seat |
| Seat: | Hajdúnánás |
| Area Total Km2: | 547.27 |
| Area Rank: | 6th in Hajdú-Bihar |
| Population As Of: | 2011 census |
| Population Total: | 29,614 |
| Population Rank: | 8th in Hajdú-Bihar |
| Population Density Km2: | 54 |
Hajdúnánás (Hungarian: Hajdúnánási járás) is a district in north-western part of Hajdú-Bihar County. Hajdúnánás is also the name of the town where the district seat is found. The district is located in the Northern Great Plain Statistical Region. This district is a part of Hajdúság historical and geographical region.
Hajdúnánás District borders with Tiszavasvári District (Szabolcs-Szatmár-Bereg County) to the north, Hajdúböszörmény District to the southeast, Balmazújváros District to the south, Mezőcsát District and Tiszaújváros District (Borsod-Abaúj-Zemplén County) to the west. The number of the inhabited places in Hajdúnánás District is 6.
The district has 2 towns and 4 villages.(ordered by population, as of 1 January 2012)[1] The bolded municipalities are cities.
In 2011, it had a population of 29,614 and the population density was 54/km².
Besides the Hungarian majority, the main minorities are the Roma (approx. 1,000) and German (100).
Total population (2011 census): 29,614
Ethnic groups (2011 census):[3] Identified themselves: 26,934 persons:
25,755 (95.62%)
851 (3.16%)
Approx. 3,000 persons in Hajdúnánás District did not declare their ethnic group at the 2011 census.
Religious adherence in the county according to 2011 census:[4]