William Summers (1853–1893) was a British politician and barrister.
William Summers may also refer to:
William H. Summers (1930-2002), British Crown jeweller William K. Summers (born 1944), American neuroscientist William L. Summers (born 1942), American defense lawyer Willie Summers (1893–?), Scottish footballer
See also Bill Summers (disambiguation) William Sommers (disambiguation)