William H. Thompson may refer to: William Hepworth Thompson (1810–1886), English classical scholar and Master of Trinity College, Cambridge William Henry Thompson (1853–1937), U.S. senator from Nebraska William Howard Thompson (1871–1928), U.S. senator from Kansas William Hale Thompson (1868–1944), mayor of Chicago William Harvey Thompson, prohibition enforcement agent in the Seattle, Washington William H. Thompson (actor) (1852–1923), Scottish-born actor See also William Thompson (disambiguation)