| Wasserburg am Inn | |
| Image Coa: | Wappen Landkreis Wasserburg am Inn.png |
| State: | Bavaria |
| Regierungsbezirk: | Upper Bavaria |
| Capital: | Wasserburg am Inn |
| Carsign: | WS |
| Dissolved: | 1 June 1972 |
Wasserburg am Inn is a former German district (Landkreis) in Oberbayern.
The district encompassed the historical region of the County of Haag and Wasserburg. The district was disestablished on June 1, 1972, as part of the district-reform in Bavaria. Its territory was distributed among the districts of Rosenheim, Mühldorf, Erding, and Ebersberg. The district contained 4 market towns and 22 rural municipalities. The district administration was located in the town of Wasserburg am Inn.