William Fletcher may refer to: William Fletcher (valet) (c. 1775–1839), servant of Lord Byron William Roby Fletcher (1833–1894), Congregational minister and Vice-Chancellor of the University of Adelaide William Fletcher (steam traction engine designer) (1848–1918), author and steam traction engine designer William Fletcher (rugby union) (1851–1895), English rugby international 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 Thomas Fletcher (born c. 1935), American mathematician William A. Fletcher (born 1945), United States federal appeals court judge William A. Fletcher (Michigan jurist) (1788–1852), Chief Justice of the Michigan Supreme Court Will Fletcher (born 1989), British rower Will Fletcher (The Bill), a fictional character in The Bill William Fletcher (MP) (1831–1900), British Member of the UK Parliament for Cockermouth 1879–80 Bill Fletcher, Jr., American activist and writer William I. Fletcher (1844–1917), American librarian, bibliographer and indexer William Whigham Fletcher (1918–2001), Scottish biologist William Fletcher (priest) (died 1926), Welsh Anglican priest