William P. Perry (born 1930 in Elmira, New York) is an American composer and producer of television and film. His music has been performed by the Chicago Symphony, the Saint Louis Symphony, the Detroit Symphony and the symphonic orchestras of Cincinnati, Minnesota, Montreal, Calgary and Hartford as well as the Vienna Symphony, the Rome Philharmonic, the Slovak Philharmonic, the RTÉ National Symphony of Ireland and other orchestras in Europe.