Donau may refer to: Danube (German: Donau), Europe's second-longest river Donau (horse) (1907–1913), American thoroughbred racehorse SS Donau, the name of several steamships , a modern German replenishment ship RC Donau, an Austrian rugby club in Vienna Donau Arena, an arena in Regensburg, Germany Donau City, a part of Vienna, Austria (born 1946), German footballer
See also
Danube (disambiguation) Dunino, Poland (German: Dohnau), a village in Gmina Krotoszyce, Lower Silesian Voivodeship SS-Oberabschnitt Donau, the primary division command of the Allgemeine-SS in Austria Donau-Ries, a district in Bavaria, Germany Alb-Donau-Kreis, a district in Baden-Württemberg, Germany