William Harper may refer to: William Harper (South Carolina politician) (1790–1847), US Senator from South Carolina William Rainey Harper (1856–1906), first president of the University of Chicago William Harper (Louisiana politician), state senator (African-American officeholders during and following the Reconstruction era) William Edmund Harper (1878–1940), Canadian astronomer Bill Harper (baseball) (1889–1951), Major League Baseball pitcher Bill Harper (footballer, born 1897) (1897–1989), Scottish football goalkeeper (Hibernian, Arsenal, national team) Billy Harper (footballer, born 1897) (1897–1982), English footballer Billy Harper (footballer, born 1877) (1877–1947), English footballer Bill Harper (footballer, born 1900) (1900–?), Scottish football goalkeeper (Sunderland, Crystal Palace) William Harper (Rhodesian politician) (1916–2006), Royal Air Force pilot and Rhodesian politician Billy Harper (born 1943), American jazz saxophonist William Claude Harper (born 1944), American jewelry artist William Harper (composer) (born 1949), American composer and photographer Bill Harper (soccer) (fl. 1968), Canadian soccer player (national team) Willie Harper (born 1950), former American football linebacker William Jackson Harper (born 1980), American actor William Harper Jr., pioneer aviator with the Wright brothers William Allen Harper, JFK assassination witness William A. Harper (1873–1910), Canadian-born artist Will Harper, a character on Eastenders Bill Harper, a character in Ambassador Bill See also William Harpur (died 1574), merchant and Lord Mayor of London