Uelzen (German pronunciation: [ˈʏltsən]) is a district (Landkreis) in Lower Saxony, Germany.

It is bounded by (from the south and clockwise) the districts of Gifhorn, Celle, Heidekreis, Lüneburg and Lüchow-Dannenberg, and by the state of Saxony-Anhalt (district of Altmarkkreis Salzwedel).

The district capital is the town of Uelzen.

From the Middle Ages on the region was part of the duchy of Brunswick-Lüneburg and its successor states.

Free municipalities Media related to Landkreis Uelzen at Wikimedia Commons