William Jackson
William Jackson is the name of the following people:
- William Jackson (composer) (1730–1803), English composer
- William Jackson (Bishop) (1751–1816), Bishop of Oxford
- William Jackson (Secretary) (1759–1828), American lawyer
- William Jackson (politician, 1783) (1783–1855), American politician (Massachusetts)
- William Jackson (athlete) , British long distance runner
- William Jackson, 1st Baron Allerton (1840–1917), British peer and politician
- William Jackson (engineer) (1848–1910), American civil engineer
- William Jackson (politician, 1858) (1858–1938), Canadian politician
- William Jackson (soccer player) (1876–1954), Welsh soccer player
- William Jackson (Mobster) ( Action ; † 1961), American gangster in the Chicago Outfit
- William Jackson (General) , British General, Governor of Gibraltar
- William Harding Jackson (1901–1971), American politician
- William Henry Jackson (1843–1942), American photographer, painter, and adventurer
- William Humphreys Jackson (1839-1915), American politician
- William Kilgour Jackson (1871–1955), Scottish curler
- William Lowther Jackson (1825–1890), American lawyer, politician and officer
- William Purnell Jackson (1868–1939), American politician
- William S. Jackson (before 1892–1932), American lawyer and politician
- William Terry Jackson (1794-1882), American politician
