William Moseley may refer to:
Entertainment Bill Moseley (born 1951), American film actor and musician William Moseley (actor) (born 1987), English actor from The Chronicles of Narnia Will Moseley, a contestant on the twenty-second season of American Idol
Politics William A. Moseley (1798–1873), U.S. Representative from New York William Dunn Moseley (1795–1863), Governor of the U.S. state of Florida William G. Moseley (Massachusetts politician) (fl. early 1900s), a Massachusetts politician
Others William G. Moseley (born 1965), geographer at Macalester College William Mosley (born 1989), American basketball player Bill Moseley (bowls) (born 1945), South African lawn bowls player