| Siófok District | |
| Native Name: | Siófoki járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | Coat of arms of Siófok.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southern Transdanubia |
| Subdivision Type2: | County |
| Subdivision Name2: | Somogy |
| Seat Type: | District seat |
| Seat: | Siófok |
| Area Total Km2: | 657.05 |
| Area Rank: | 4th in Somogy |
| Population As Of: | 2011 census |
| Population Total: | 51,099 |
| Population Rank: | 2nd in Somogy |
| Population Density Km2: | 78 |
Siófok (Hungarian: Siófoki járás) is a district in Somogy County, in south-western Hungary. The district is located in the north-eastern part of the county. Siófok is also the name of the town where the district seat is located. The district is located in the Southern Transdanubia Statistical Region.
Siófok District borders Balatonfüred District and Balatonalmádi District (Veszprém County) to the north, Enying District (Fejér County) to the east, Tamási District (Tolna County) to the southeast, Tab District to the south, and Fonyód District to the west. The number of the inhabited places in Siófok District is 24.
The district has 3 towns, 1 large village and 20 villages.(ordered by population, as of 1 January 2013)[1] The municipalities in bold text are cities, italics municipality is a large village.