List of Famous people named William

William Steig was an American cartoonist, illustrator and writer of children's books, best known for the picture book Shrek!, which inspired the film series of the same name, as well as others that included Sylvester and the Magic Pebble, Abel's Island, and Doctor De Soto. He was the U.S. nominee for both of the biennial, international Hans Christian Andersen Awards, as a children's book illustrator in 1982 and a writer in 1988.

William Dalrymple was a Scottish soldier and Member of Parliament (MP) in the British Parliament and Parliament of Ireland. He was the son of the Hon. George Dalrymple, brother of John Dalrymple, 5th Earl of Stair. Father of John Dalrymple, 7th Earl of Stair.

William Dacre, 5th Baron Dacre was an English nobleman and soldier. He was born in 1357, son of Hugh Dacre, 4th Baron Dacre and his wife Ela Maxwell, daughter of Alexander Maxwell of Caerlaverock. He succeeded his father as Baron Dacre upon the latter's death in 1383.

William Jerome Cagney was an American film producer and actor, remembered for roles in the Monogram Pictures films Lost in the Stratosphere and Flirting with Danger, both filmed in 1934.

William Warner Sleator III, known as William Sleator, was an American science fiction author who wrote primarily young adult novels but also wrote for younger readers. His books typically deal with adolescents coming across a peculiar phenomenon related to an element of theoretical science, then trying to deal with the situation. The theme of family relationships, especially between siblings, is frequently intertwined with the science fiction plotline.