Harburger Stadtpark, Park and heritage monument in Wilstorf, Hamburg, Germany.

The Harburger Stadtpark is a green space in Hamburg with diverse areas such as meadows, forests, and heathland surrounding the Außenmühlenteich. The grounds offer different landscapes that invite visitors for walks and outdoor time.

The park was created around the Außenmühlenteich, a pond dammed in the 16th century for a water mill and used as a bathing establishment from 1890. Construction began in 1913 as part of a relief work program initiated by Walter Dudek. The design came from Prussian garden director Georg Hölscher; after his death in 1932, his son Ferdinand continued the plans. The park opened in 1926, when Wilstorf and Marmstorf still belonged to the city of Harburg; they became part of Hamburg in 1937.

The open-air stage below the Eichenhöhe in the western part of the park hosts a changing cultural programme. The park's name comes from the old Harburg district; the Außenmühlenteich pond was dammed in the 16th century for a watermill and has served as a bathing establishment since 1890. The former main entrance, a three-part brick gate with terrace finished in 1926, was restored in 2017 and received the Museumsverein Harburg's Denkmalpreis in 2018.

The park is reachable by bus, with the main entrance located at Hohe Straße and easily accessible on foot. Visitors should wear sturdy shoes since the grounds have varying elevation and different surfaces.

The grounds contain rare plant communities such as matgrass pastures and marsh marigold meadows that provide habitats for specialized species. These botanical areas are of particular value to the park's ecosystem.