Holzgau is a municipality in the district of Reutte, in the Austrian state of Tyrol. It lies in the Lechtal, the valley of the Lech river in the western part of the state, near the border with Vorarlberg.
The village is known for its well-preserved traditional houses decorated with painted facades, and for the nearby Holzgauer Hängebrücke, a pedestrian suspension bridge over the Lech. The surrounding Lechtal Alps provide hiking and skiing terrain.