Mary Foley
Mary Foley may refer to:
- Mary Cecilia Foley British geologist and university administrator
- Mary Cleophas Foley, Superior General of the Sisters of Providence of Saint Mary-of-the-Woods, Indiana
- Mary Jo Foley, American freelance technology writer
- Mary Foley Benson, American scientific illustrator and fine artist
- Mary Foley-Berkeley, 17th Baroness Berkeley, English politician and peeress