William Hudson may refer to:

Science and medicine William Hudson (botanist) (1730–1793), British botanist William Hudson (engineer) (1896–1978), New Zealand-born head of Snowy Mountains Scheme in Australia William Henry Hudson (1841–1922), Anglo-Argentine writer and naturalist

Sports Bill Hudson (rugby league), rugby league footballer of the 1940s and 1950s for Great Britain, Yorkshire, England, Batley, Wigan, and Wakefield Trinity William Hudson (baseball) (1903–???), American baseball pitcher in the 1930s William Hudson (footballer) (1928–2014), British footballer Willie Hudson (William Henry Hudson), American baseball player in the 1940s William Rodney Hudson, American football player

Others

William Hudson (actor) (1919–1974), American actor William L. Hudson (1794–1862), United States Navy officer William Parker Hudson (1841–1912), Ontario businessman and political figure William Wilson Hudson (1808–1859), president of the University of Missouri William Hudson (1664–1742), mayor of Philadelphia, 1725–1726 Private William Hudson, a character in the 1986 film Aliens, played by Bill Paxton

See also Bill Hudson (disambiguation) Will Hudson (disambiguation)