| Tolna District | |
| Native Name: | Tolnai járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | HUN Tolna Címer.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Tolna |
| Seat Type: | District seat |
| Seat: | Tolna (town) |
| Area Total Km2: | 205.24 |
| Area Rank: | 6th in Tolna |
| Population As Of: | 2011 census |
| Population Total: | 18,203 |
| Population Rank: | 6th in Tolna |
| Population Density Km2: | 89 |
Tolna (Hungarian: Tolnai járás) is a district in eastern part of Tolna County. Tolna is also the name of the town where the district seat is found. The district is located in the Southern Transdanubia Statistical Region.
Tolna District borders with Paks District to the north, Kalocsa District (Bács-Kiskun County) to the east, Szekszárd District to the south and west. The number of the inhabited places in Tolna District is 4.
The district has 1 town, 1 large village and 2 villages.(ordered by population, as of 1 January 2013)[1] The bolded municipality is city, italics municipality is large village.