| Letenye District | |
| Native Name: | Letenyei járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | HUN Letenye Címer.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Zala |
| Seat Type: | District seat |
| Seat: | Letenye |
| Area Total Km2: | 388.69 |
| Area Rank: | 5th in Zala |
| Population As Of: | 2011 census |
| Population Total: | 16,410 |
| Population Rank: | 5th in Zala |
| Population Density Km2: | 42 |
Letenye (Hungarian: Letenyei járás) is a district in south-western part of Zala County. Letenye is also the name of the town where the district seat is found. The district is located in the Western Transdanubia Statistical Region.
Letenye District borders with Lenti District to the northwest, Zalaegerszeg District to the north, Nagykanizsa District to the east, the Croatian county of Međimurje and Slovenia to the southwest. The number of inhabited places in Letenye District is 27.The seat of the Letenye district was Letenye since the first designation of the permanent district seats (1886).
The district has 1 town and 26 villages.(ordered by population, as of 1 January 2013)[1] The bolded municipality is city.