William Sharp
William Sharp may refer to:
- William Sharp (engraver) (1749–1824), English engraver
- William Sharp (lithographer) (1803–1875), English-born lithographer and painter; lived in Boston, Massachusetts
- William Sharp (writer) (1855–1905), Scottish author and poet, pseudonym Fiona MacLeod
- William Sharp (baritone) American baritone, see Grammy Award for Best Classical Contemporary Composition
- William Graves Sharp (1859–1922) American congressman (1909–14); Ambassador to France (1914)
- William Sharp (homeopath) (1805–1896), early science educator and homeopath
- William Sharp (surgeon) (1729-1810) surgeon to George III and musician
- William Sharp (scientist) American scientist and entrepreneur
- William Sharp (basketball player) (born 1984), American basketball player
- Billy Sharp (born 1986), English footballer
- Will Sharp (born 1986), English rugby league player
See also