Wiesau is a municipality in Bavaria, Germany.
Wiesau may also refer to:
Wiesau (river), a river of Bavaria, Germany Radwanice, Polkowice County, a village in Poland, (German name Wiesau) Łączna, Kłodzko County, a village in Poland, (German name Wiesau) Wymiarki, Lubusz Voivodeship, a village in western Poland, formerly Prussia (German name Wiesau)