Rudolf Louis (30 January 1870 – 15 November 1914) was a German music critic and conductor. Louis was born in Schwetzingen in 1870. He studied in Geneva, where he was a pupil of Friedrich Klose, and continued his studies in Vienna and then Karlsruhe under Felix Mottl before becoming conductor of the theatre orchestras in Landshut and Lübeck. In 1897 he moved to Munich, where he lived for the remainder of his life. Here he taught harmony and composition. Among his pupils was Wilhelm Petersen. Rudolf Louis died in Munich in 1914, aged 44.