| Kunszentmárton District | |
| Native Name: | Kunszentmártoni járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | HUN Kunszentmárton Címer.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Jász-Nagykun-Szolnok |
| Seat Type: | District seat |
| Seat: | Kunszentmárton |
| Area Total Km2: | 576.49 |
| Area Rank: | 5th in Jász-Nagykun-Szolnok |
| Population As Of: | 2011 census |
| Population Total: | 36,147 |
| Population Rank: | 5th in Jász-Nagykun-Szolnok |
| Population Density Km2: | 63 |
Kunszentmárton (Hungarian: Kunszentmártoni járás) is a district in southern part of Jász-Nagykun-Szolnok County. Kunszentmárton 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 Nagykunság historical and geographical region.
Kunszentmárton District borders with Szolnok District and Mezőtúr District to the north, Szarvas District (Békés County) to the east, Szentes District and Csongrád District (Csongrád County) to the south, Cegléd District and Tiszakécske District (Bács-Kiskun County) to the west. The number of the inhabited places in Kunszentmárton District is 11.
The district has 2 towns, 2 large villages and 7 villages.(ordered by population, as of 1 January 2012)[1] The bolded municipalities are cities, italics municipalities are large villages.
In 2011, it had a population of 36,147 and the population density was 63/km2.
Besides the Hungarian majority, the main minorities are the Roma (approx. 1,000) and German (150).
Total population (2011 census): 36,147
Ethnic groups (2011 census):[3] Identified themselves: 31,213 persons:
29,687 (95.11%)
1,137 (3.64%)
Approx. 5,000 persons in Kunszentmárton District did not declare their ethnic group at the 2011 census.
Religious adherence in the county according to 2011 census:[4]