Cheryl Studer (born October 24, 1955) is a Grammy Award winning American dramatic soprano who has sung at many of the world's major opera houses. Studer has performed more than eighty roles ranging from the dramatic repertoire to roles more commonly associated with lyric sopranos and coloratura sopranos, and, in her late stage, mezzo-sopranos. She is most admired for her interpretations of the works of Richard Strauss and Richard Wagner.