Lewis Williams may refer to: Lewis Williams (politician) (1782–1842), American politician Lewis Williams (boxer) (born 1998), English boxer Lewy Williams (Lewis Williams, born 2002), Welsh darts player Lewis Williams (real tennis) (born 1994), British real tennis player Lewis Williams (rugby union) (born 1987), Welsh rugby union player Lewis B. Williams Jr. (1833–1863), Confederate officer during the American Civil War Lewis A. Williams (1852–1935), Chicago saloonkeeper and co-creator of Cohasset Punch
See also Lew Williams (1934–2019), American singer Louis Williams (disambiguation) David Lewis-Williams (born 1934), South African scholar