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

Fictional characters

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