William Dickson may refer to:
- William Dickson (Australian politician) (1893–1966), a member of the Legislative Council of New South Wales, 1925–1934 and 1940–1966
- William Dickson (bishop) (died 1804), Bishop of Down and Connor, 1784–1804
- William Dickson (congressman) (1770–1816), American congressman from Tennessee
- William Dickson (Falklands) (died 1833), administrator of Fort Louis in the Falklands in 1833
- William Dickson (footballer born 1866) (1866–1910), Scottish footballer
- William Dickson (footballer born 1923) (1923–2002), Northern Irish footballer
- William Dickson (footballer born 1945), Scottish footballer
- William Dickson (Nova Scotia politician) (1779–1834), politician in Nova Scotia
- William Dickson (RAF officer) (1898–1987), British Chief of the Air Staff, 1953–1956
- William Dickson (Upper Canada) (1769–1846), lawyer, businessman and political figure in Upper Canada
- William A. Dickson (1861–1940), U.S. Representative
- William Kennedy Dickson (1860–1935), Franco-Scottish inventor and film pioneer
- William Kirk Dickson (1860–1949), Scottish advocate, librarian and writer
- Billy Dickson, American cinematographer and television director
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