William Power may refer to:
Australia Bill Power (Australian politician) (1893–1974), member of the Queensland Legislative Assembly William Grene Power (1835–1903), member of the Queensland Legislative Council Will Power (born 1981), Australian motorsport racer Bill Power (footballer) (1937–2020), Australian rules footballer who played with South Melbourne Billy Power (footballer) (1917–2002), Australian rules footballer who played with Footscray
Canada
William Power (Canadian politician) (1849–1920), member of the Canadian House of Commons William Gerard Power (1882–1940), his son, Canadian politician in Quebec William Power (Quebec judge) (1800–1860), judge and political figure in Lower Canada William Edward Power (died 2003), Roman Catholic Bishop of Antigonish, 1960–1986 William Patrick Power (1843–1919), Canadian priest and head of Duquesne University
United Kingdom William Power (Scottish politician) (1873–1951), leader of the Scottish National Party William Henry Power (1842–1916), Chief Medical Officer of England William Power, member of the Birmingham Six
United States William Patrick Power (1843–1919), first rector of the Pittsburgh Catholic College Will Power (performer), American actor, rapper and playwright Bill Power (outlaw), member of the Dalton Gang
See also William Powers (disambiguation) Will Power (disambiguation)