Forstau (disambiguation)
Forstau is the name of the following geographical objects:
- Forstau , municipality in the district of St. Johann im Pongau, State of Salzburg
- Forstau (Schnaitsee) , district of the community Schnaitsee , Traunstein district, Bavaria
- Forstau (municipality of Steinbach) , village and cadastral municipality of Steinbach an der Steyr , Kirchdorf an der Krems district, Upper Austria