Lucy Williams (born 1976) is an Australian Paralympic swimmer.
Lucy Williams may also refer to: Lucy Ariel Williams (1905–1973), African-American poet Lucy Gwendolen Williams (1870–1955), Welsh sculptor and painter Lucy Williams (golfer) in 2014 U.S. Women's Open Lucie Campbell-Williams (1885–1963), American composer and director of gospel music Lucy Williams (EastEnders), EastEnders character