William Cochran (born June 23, 1943 in Columbus, Ohio) is an internationally noted Heldentenor.
He studied at the Curtis Institute of Music with Martial Singher.
A winner of the Lauritz Melchior Heldentenor Foundation Award, he debuted with the Metropolitan Opera, as Vogelgesang in Die Meistersinger, in 1968.
The next year, he sang Froh, in Das Rheingold, with the San Francisco Opera.
In 1974, Cochran debuted at Covent Garden, as Laca in Jenufa, conducted by Sir Charles Mackerras.
In 1975, he sang the title role in Lohengrin at the New Orleans Opera, and, in 1977, sang in Katya Kabanova at San Francisco, with Elisabeth Söderström, Chester Ludgin, and Susanne Marsee.
He returned to that company in 1997, for Herod in Salome.
For the Opera Company of Boston, the tenor was seen in Die Soldaten (1982) and The Makropoulos Case (1986), both conducted and directed by Sarah Caldwell.
Cochran returned to the Met as Bacchus in Ariadne auf Naxos, opposite Jessye Norman, in 1984-85.
The singing-actor has also appeared with companies in Frankfurt, Munich, Hamburg, and Vienna.