Margaret Davies (1884–1963) was a Welsh patron of the arts and an art collector
Margaret Davies may also refer to:
- Margaret Llewelyn Davies (1861–1944), British women's rights campaigner
- Margaret Davies (writer) (c. 1700–1778 or 1785), Welsh poet
- Margaret M. Davies (born 1944), Australian herpetologist
- Margaret Davies (conservationist) (1914–1982), English conservationist and archaeologist