George Barclay may refer to:
George Barclay (Jacobite) ( 1636–1710), leader of a 1696 plot to assassinate King William III of England George Barclay (clergyman) (c. 1779–1857), Baptist minister in Upper Canada Sir George Head Barclay (1862–1921), British diplomat George Barclay (sportsperson) (1876–1909), American baseball and football player, inventor of the first football helmet George T. Barclay (1910–1997), American football player and coach George Barclay (RAF officer) (1920–1942), British pilot who was killed in action on the battle of El Alamein; author of Angels 22 George Barclay (speedway rider) (born 1935), British motorcycle speedway rider and founder of the National Speedway Museum George Barclay (MP), English politician Pen name of Ronald Kinnoch
See also George Barclay Bruce (1821–1908), British civil engineer