Waldhausen
Waldhausen parish church
Coat of arms
Waldhausen Location within Austria
Coordinates: 48°31′00″N 15°15′00″E / 48.51667°N 15.25000°E / 48.51667; 15.25000
Country	Austria
State	Lower Austria
District	Zwettl
Government
• Mayor	Franz Häusler (ÖVP)
Area [1]
• Total	39.92 km2 (15.41 sq mi)
Elevation	682 m (2,238 ft)
Population  (2018-01-01)[2]
• Total	1,215
• Density	30/km2 (79/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Postal code	3914
Area code	02877
Vehicle registration	ZT
Website	www.tiscover.at

Waldhausen is a municipality in the district of Zwettl in the Austrian state of Lower Austria.

Waldhausen lies in the Waldviertel in Lower Austria. About 42.86 percent of the municipality is forested.