Waldhausen im Strudengau (Central Bavarian: Woidhausn im Strudngau) is a municipality in the district of Perg in the Austrian state of Upper Austria.
Waldhausen lies in the Mühlviertel. It was originally a part of Bavaria. About 52 percent of the municipality is forest, and 44 percent is farmland.
Another famous person born here is Josef Hader, one of Austria's most renowned actors and comedians.