Cornelia Kallisch (born 1943) is a German operatic mezzo-soprano who has had a successful international career.

Kallisch was born in Hamburg, Germany and began studying music at an early age. She later attended the Hamburg School of Music and Theater, where she studied voice.

Kallisch made her professional opera debut in 1971 at the Hamburg State Opera as Olga in Tchaikovsky's "Eugene Onegin." She quickly gained recognition for her powerful and expressive voice and went on to perform at major opera houses around the world, including the Metropolitan Opera in New York, La Scala in Milan, and the Royal Opera in London.

Throughout her career, Kallisch has performed a wide range of roles in both classical and contemporary operas. Some of her most notable performances include the title role in Bizet's "Carmen," Ortrud in Wagner's "Lohengrin," and Klytemnestra in Strauss's "Elektra."

In addition to her work in opera, Kallisch has also given recitals and performed with orchestras in Europe and the United States. She has recorded numerous albums of opera arias and lieder, and has received numerous awards and honors for her contributions to classical music.