William Harding may refer to:
Politics William Harding (politician) (1835–1903), Australian politician William L. Harding (1877–1934), Republican Governor of Iowa from 1917 to 1921, best remembered for the "Babel Proclamation" William Neville Harding (1893–1978), Lord Mayor of Sydney
Sports William Harding (footballer) (1883–1967), English footballer William Harding (sport shooter) (1910–1936), American sports shooter Halley Harding (William Claire Halley Harding, 1904–1967), American baseball player and sportswriter
Others William Harding (Virginia witch trials) (c. 1625), first person convicted of witchcraft in Virginia Colony William Harding (yeoman) (1643–1718), British yeoman and founder of a charity in 1719 to clothe and educate poor children in the hamlet of Walton, Aylesbury William Harding (antiquary) (1792–1886), antiquary and British army officer William Giles Harding (1808–1886), American heir, Southern planter, horse breeder and Confederate general William Harding (photographer) (1826–1899), British-born photographer in New Zealand William P. G. Harding (1864–1930), American banker, former Federal Reserve Chairman Ali Eisami ( William Harding, born 1786/1787), Kanuri man who lived in Sierra Leone
Other uses William Harding Combined School in Elm Farm, Aylesbury, England
See also William Harding Carter (1851–1925), U.S. soldier William Harding Jackson (1901–1971), Deputy Director of the CIA in the 1950s