William, Willie, Bill or Billy Dixon may refer to:

Law and politics

• William Dixon (Assemblyman) (1808–1887), English-born Wisconsin politician
• William W. Dixon (1838–1910), U.S. Representative from Montana
• William Dixon (Australian politician) (1860–1935), Australian politician
• William C. Dixon (1904–1997), American government antitrust lawyer and judge on the Ohio Supreme Court

Religion

• William Henry Dixon (priest) (1783–1854), Church of England clergyman and antiquary
• William T. Dixon (1833–1909), American educator and Baptist minister in Brooklyn, New York
• William Gray Dixon (1854–1928), Scottish Presbyterian minister
• William Taylor Dixon (1879–1959), American minister and independent faith missionary to China
• William Dixon (priest) (born 1939), Dean of Barbados

Sports

• William Dixon (cricketer) (1856–1938), New Zealand cricketer
• Billy Dixon (footballer, born 1905) (1905–1956), English footballer (Grimsby Town, Barrow AFC)
• Billy Dixon (footballer, born 1941), Irish footballer (Shamrock Rovers)

Others

• William Hepworth Dixon (1821–1879), English social and prison commentator
• Billy Dixon (1850–1913), American scout and hunter, civilian recipient of the Medal of Honor
• William Macneile Dixon (1866–1946), British author
• Willie Dixon (1915–1992), U.S. blues musician
• Bill Dixon (1925–2010), American musician and artist

Other uses

• William Dixon manuscript, the earliest manuscript of bagpipe music from the UK, compiled in 1733 by a piper from Northumberland
• Billy Dixon and the Tropics, a nom de disque for the 1950s pop/rock group Four Lovers who evolved into The Four Seasons

See also

• William Dickson (disambiguation)
• William Dixson (1870–1952), Australian businessman and benefactor
• William Dixon Allott, mayor of Adelaide, Australia