| Paks District | |
| Native Name: | Paksi járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | Paks címere.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Tolna |
| Seat Type: | District seat |
| Seat: | Paks |
| Area Total Km2: | 836.00 |
| Area Rank: | 2nd in Tolna |
| Population As Of: | 2011 census |
| Population Total: | 49,433 |
| Population Rank: | 2nd in Tolna |
| Population Density Km2: | 59 |
Paks (Hungarian: Paksi járás) is a district in north-eastern part of Tolna County. Paks is also the name of the town where the district seat is found. The district is located in the Southern Transdanubia Statistical Region.
Paks District borders with Sárbogárd District and Dunaújváros District (Fejér County) to the north, Kunszentmiklós District and Kalocsa District (Bács-Kiskun County) to the east, Tolna District and Szekszárd District to the south, Tamási District to the west. The number of the inhabited places in Paks District is 15.
The district has 2 towns, 1 large village and 12 villages.(ordered by population, as of 1 January 2013)[1] The bolded municipalities are cities, italics municipality is large village.