William Hawes may refer to: William Hawes (composer) (1785–1846), English musician and composer William Hawes (Trinity) (1620–1659), English academic at Trinity College, Oxford William Hawes (physician) (1736–1808), English founder of the Royal Humane Society William Hawes (miller) (1772–?), American miller, member of the Maine House of Representatives William Hawes (1805–1885), English businessperson and reformer, grandson of the physician