Hundsheim is a town in the district of Bruck an der Leitha, in the state of Lower Austria in northeast Austria.
It lies in the eastern part of Lower Austria, within the district whose administrative centre is the town of Bruck an der Leitha. The surrounding area is part of the broader region of northeast Austria, near the country's border with Slovakia.
Hundsheim is best known for the Hundsheimer Berg, a hill that rises above the town and forms part of the Hundsheimer Berge range, a small limestone massif in the Vienna Basin. The hill is noted for its dry grassland and rocky slopes, which support a number of rare and protected plant and animal species.