William Stone (born March 12, 1944, Goldsboro, North Carolina) is an American operatic baritone. He is a graduate of Duke University (B.A., 1966) and University of Illinois at Urbana-Champaign (M.M. 1968, D.M.A. 1979). He made his professional operatic debut in 1975 and his international debut in 1977.
He was inducted as a National Patron of Delta Omicron, an international professional music fraternity on April 1, 2003.
William Stone is a Vocal Instructor at the Academy of Vocal Arts in Philadelphia, Pennsylvania and the Curtis Institute of Music. He was Professor of Voice and Opera at the Boyer College of Music and Dance, Temple University, from September, 2005 through June, 2010.