Adele Addison (born July 24, 1925) is an American soprano. She was a figure in the classical music world during the 1950s and 1960s. She was an opera singer. However, she spent most of her career performing in recital and concert. A lot of her singing is from the Baroque period. She is well-known for performing the singing voice of Bess (played by Dorothy Dandridge) in the movie "Porgy and Bess" (1959).