Emmy Krüger (27 November 1886, Frankfurt am Main - 13 March 1976, Zurich) was a German operatic soprano. She notably portrayed the title role in the world premiere of Erich Wolfgang Korngold's Violanta at the National Theatre Munich in 1916. In 1917 she created the role of Silla in the premiere of Hans Pfitzner's Palestrina at the Prinzregententheater.[1] She was a regular performer at the Bayreuth Festival during the 1920s and 1930s where her most frequently assailed role was that of Isolde in Richard Wagner's Tristan und Isolde.[2] She had a long time romantic relationship with Swiss photographer Renée Schwarzenbach-Wille.[3]