Ruth Williams (disambiguation)
# Ruth Williams (disambiguation)

Ruth Williams (1926–2005) was a baseball pitcher.

Ruth Williams may also refer to:

* Ruth J. Williams, American statistician
* Ruth Williams (badminton) (born 1989), Jamaican badminton player
* Ruth C. Williams (1897–1962), Australian writer for children
* Ruth Margaret Williams, British mathematician
* Ruth Williams Cupp (1928–2016), American lawyer and legislator
* Ruth Williams Khama (1923–2002), First Lady of Botswana from 1966 to 1980
* Ruth Williams-Simpson (born 1949), Jamaican sprinter
* Ruth Williams, character in 1940 American film noir Babies for Sale
