William, Will, or Bill Barton may refer to:
Arts and entertainment William Barton (hymnologist) (1598–1678), English hymnologist William Barton (heraldist) (1754–1817), American designer of the Great Seal of the United States William Barton (writer) (born 1950), American science fiction writer William Barton (musician) (born 1981), Australian didgeridoo player
Law and politics Sir William Barton (British politician) (1862–1957), British politician William E. Barton (1868–1955), U.S. representative from Missouri Sir William Pell Barton (1871–1956), British member of the Indian Political Service William Hickson Barton (1917–2013), Canadian diplomat William T. Barton (born 1933), American politician
Sports William Barton (English cricketer) (1777–1825), English cricketer William Barton (New Zealand cricketer) (1858–1942), cricketer from New Zealand Bill Barton (footballer) (born 1936), Australian rules footballer Will Barton (born 1991), American basketball player
Others William Barton (priest) (fl. 1415–1421), English cleric, Archdeacon of Totnes William Barton (soldier) (1748–1831), American Revolutionary War soldier William P. C. Barton (1786–1856), American physician William Barton (postmaster) (c. 1796–1874), British soldier and Ceylonese public servant