William Ratcliff may refer to:
William Ratcliff, a play by Heinrich Heine, and its several operatic adaptations William Ratcliff (Cui) (premiered 1869), Russian opera by César Cui Guglielmo Ratcliff (premiered 1895), a later opera by Pietro Mascagni Ratcliff (premiered 1914), an opera by Volkmar Andreae William Ratcliff (film), a 1922 Austrian silent film See also William Ratcliffe (1882–1963), British Army soldier and recipient of the Victoria Cross