Diepholz (German pronunciation: [ˈdiːphɔlts]) is a district in Lower Saxony, Germany. It is bounded by (from the northeast and clockwise) the districts of Verden, Nienburg, Minden-Lübbecke (in North Rhine-Westphalia), Osnabrück, Vechta and Oldenburg, and by the cities of Delmenhorst and Bremen.