Brilliant Waltz () is a 1949 French musical crime film directed by Jean Boyer and starring Mártha Eggerth, Jan Kiepura and Lucien Baroux. It was shot at the Boulogne Studios in Paris. The film's sets were designed by the art director Lucien Aguettand.
After a series of admirers of the singer Martha Vassary are attacked, the impresario has the idea of recruiting a famous tenor to act as her bodyguard.