Ralph Benatzky (5 June 1884, (Mährisch) Budwitz (Czech: Moravské Budějovice)), Moravia, Austrian Empire – 16 October 1957), born in Moravské Budějovice as Rudolf Josef František Benatzki, was an Austrian composer of Czechorigin (when Benatzky was born Bohemia was part of the Austrian empire, Benatzky mostly worked in Vienna). He composed operas and operettas, such as Casanova (1928), Die drei Musketiere (1929), Im weißen Rössl (1930), and Meine Schwester und ich (1930). He died in Zürich, Switzerland.