| Keszthely District | |
| Native Name: | Keszthelyi járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | HUN Keszthely Címer.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Zala |
| Seat Type: | District seat |
| Seat: | Keszthely |
| Area Total Km2: | 535.93 |
| Area Rank: | 4th in Zala |
| Population As Of: | 2011 census |
| Population Total: | 49,421 |
| Population Rank: | 3rd in Zala |
| Population Density Km2: | 92 |
Keszthely (Hungarian: Keszthelyi járás) is a district in eastern part of Zala County. Keszthely is also the name of the town where the district seat is found. The district is located in the Western Transdanubia Statistical Region.
Keszthely District borders with Zalaszentgrót District and Sümeg District (Veszprém County) to the north, Tapolca District (Veszprém County) to the east, Marcali District (Somogy County) and Nagykanizsa District to the south, Zalaegerszeg District to the west. The number of the inhabited places in Keszthely District is 30.
The district has 2 towns, 2 large villages and 26 villages.(ordered by population, as of 1 January 2013)[1] The bolded municipalities are cities, italics municipalities are large villages.