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 words william and/or warner:
“Go! climb that rock, and when thou there hast found
A star, contracted in a diamond,”
—Sir William Davenant (1606–1668)
“What a man needs in gardening is a cast-iron back, with a hinge in it.”
—Charles Dudley Warner (1829–1900)