Frances Williams may refer to:

• Frances Williams (composer) (1904–1978), American composer
• Frances E. Williams (1905–1995), American actress and activist
• Mary Frances Williams (born 1955), American politician
• Frances Harriet Williams (1898–1992), American activist
• Frances Williams Preston (1928–2012), American music executive
• Frances Williams (convict) (c. 1760–1801), early settler of Australia