William or Bill Warner may refer to:
William Warner (poet) (c. 1558–1609), English poet William H. Warner (1812–1849), officer in the U.S. Army's Corps of Topographical Engineers William Smith Warner (1817–1897), American politician William Warner (Missouri politician) (1840–1916), American politician William Warner (cricketer) (1844–1871), English cricketer William John Warner or Cheiro (1866–1936), Irish astrologer and palmist William Warner (Conservative politician) (1867–1950), British Army officer and politician Bill Warner (American football) (1881–1944), American football player and coach W. Lloyd Warner (1898–1970), American anthropologist William W. Warner (1920–2008), American author, winner of a Pulitzer Prize in 1977 Bill Warner (motorcyclist) (1969–2013), American motorcycle racer William Warner (Michigan politician, born 1806) (1806–?), American politician William Warner (Michigan politician, born 1812) (1812–1868), American politician
See also Bill Warner (disambiguation) Warner (surname)