William McGill

William McGill is the name of:


 * William McGill (politician) (1814–1883), Scottish member of the Ontario Provincial Parliament
 * William J. McGill (1922–1997), American psychologist and university administrator
 * Willie McGill (1873–1944), American major league baseball pitcher
 * Bill McGill (1939–2014), basketball player
 * Bill McGill (baseball) (1880–1959), American baseball pitcher in Major League Baseball