Kathleen Williams may refer to:
Kathleen M. Williams (born 1956), U.S. federal judge Kathleen Mary Williams (1919–1974), Welsh literary scholar Kathleen Williams (gymnast) (born 1964), British Olympic gymnast Kathleen Williams (politician) (born 1961), Montana politician Kathleen Williams (theologian), Australian Sister of Mercy and theologian Kathlyn Williams (Kathleen Mabel Williams, 1879–1960), American actress Kay Williams (Kathleen Gretchen Williams Gable, 1916–1983), American actress