Carmen Reppel is a German soprano active in both opera and concert. A member of the Staatstheater Hannover, she had a major international career, appearing in leading roles in over 60 operas. She also explored lesser-known repertoire such as Siegfried Wagner's Schwarzschwanenreich and appeared in contemporary operas, singing in world premieres of operas by Aribert Reimann and Flavio Testi. She is known for her parts in the Jahrhundertring, the centenary production of Wagner's Der Ring des Nibelungen at the Bayreuth Festival, including the filmed version of 1980.