William Troy

William Troy may refer to:
 * William Troy (Medal of Honor) (1848–1907), US Navy Medal of Honor recipient
 * William F. Troy (1920–1967), American Jesuit, president of Wheeling Jesuit University
 * William Troy (abolitionist) (1827–1905), Baptist minister, writer, abolitionist
 * William Troy (educator) (1903–1961), American writer and teacher