Tannau (disambiguation)
Tannau is a German place name:
- Tannau , district of the city of Tettnang, Lake Constance district, Baden-Württemberg, Germany
- Tannau , until 1938 Salleschen , Oletzko / Treuburg district, East Prussia, since 1945: Zalesie (Świętajno) , village in the Powiat Olecki, Warmian-Masurian Voivodeship, Poland