Mary Foley

Mary Foley may refer to:


 * Mary Cleophas Foley (1845–1928), Superior General of the Sisters of Providence of Saint Mary-of-the-Woods, Indiana
 * Mary Jo Foley (born 1961), American freelance technology writer
 * Mary Foley Benson (1905–1992), American scientific illustrator and fine artist
 * Mary Foley-Berkeley, 17th Baroness Berkeley (1905–1992), English politician and peeress