William Warner may refer to:
- Bill Warner (1881–?), College Football Hall of Fame athlete
- Cheiro, aka William John Warner, (1866–1936), Irish astrologer and palmist
- William Warner (Missouri) (1840–1916), U.S. Congressman and Senator
- William Warner (poet) (c. 1558–1609), English poet
- William Lloyd Warner (1898–1970), American anthropologist
- William Smith Warner, member of the Wisconsin State Assembly
- William W. Warner (1920–2008), author, winner of a Pulitzer Prize in 1977
- William Ward Warner (1867-1950), Brigadier-General in the British Army, member of the London County Council and Tory Member of Parliament for Mid Bedfordshire, 1924–1929
Famous quotes containing the word warner:
“Lettuce is like conversation: it must be fresh and crisp, and so sparkling that you scarcely notice the bitter in it.”
—Charles Dudley Warner (1829–1901)