The Blue Danube (German: An der schönen blauen Donau) is a 1955 Austrian romantic comedy film directed by Hans Schweikart and starring Hardy Krüger, Nicole Besnard and Paul Hörbiger. It was shot at the Schönbrunn Studios in Vienna and on location around the city. The film's sets were designed by the art director Fritz Jüptner-Jonstorff.