William Palmer
William Palmer may refer to:
- William Palmer (athlete) (1882-1967), British Olympic athlete
- William Palmer (cricketer) (1737-1790), English cricketer
- William Palmer (murderer) (1824–1856), doctor and multiple murderer
- William Palmer (politician), Chief Secretary for Ireland 1696-97
- William Palmer (soccer), American soccer player in the National Soccer Hall of Fame
- William Palmer (theologian) (1803–1885)
- William Palmer, 2nd Earl of Selborne (1859–1942), British politician
- William Palmer (merchant), founder of Palmer's College in Thurrock
- William A. Palmer, nineteenth century American politician
- William C. Palmer, American painter
- William Henry Palmer (1836-1926), American soldier
- William Isaac Palmer (1824–1893), English businessman
- William Jackson Palmer (1836–1909), American industrialist and general
- Bill Palmer (1917-1996) invented a 'quint' system which was later patented by Titano
- Billy Palmer (born 1888), English footballer