William Fletcher

William Fletcher may refer to:

• William Fletcher (Irish judge) (1750–1823), Irish politician and justice of the Court of Common Pleas
• William Fletcher (valet) (c. 1775–1839), servant of Lord Byron
• William A. Fletcher (Michigan judge) (1788–1852), Chief Justice of the Michigan Supreme Court
• William Fletcher (English politician) (1831–1900), British Member of Parliament for Cockermouth, 1879–80
• William Roby Fletcher (1833–1894), English-born Australian Congregational minister and Vice-Chancellor of the University of Adelaide
• William I. Fletcher (1844–1917), American librarian, bibliographer and indexer
• William Fletcher (engineer) (1848–1918), British author and steam traction engine designer
• William Fletcher (rugby union) (1851–1895), English rugby international
• William Fletcher (priest) (died 1926), Welsh Anglican priest
• William Bartlett Fletcher Sr. (1862–1957), admiral in the United States Navy
• William Fletcher (cricketer) (1866–1935), English cricketer for Yorkshire
• William Fletcher (rower) (1869–1919), English rower and coach
• William Fletcher (physician) (1872–1938), English doctor
• William Whigham Fletcher (1918–2001), Scottish botanist
• William Thomas Fletcher (born c. 1935), American mathematician
• William A. Fletcher (born 1945), United States federal appeals court judge
• Will Fletcher (born 1989), British rower

• Billy Fletcher, a fictional character in the British soap opera Emmerdale
• Will Fletcher (The Bill), a fictional character in The Bill