Mary Walker
Mary Walker is the name of the following people:
- Mary Ann Walker , maiden name of Mary Ann Nichols (1845-1888), British victim of the serial killer Jack the Ripper
- Mary Broadfoot Walker (1888–1974), British doctor
- Mary Edwards Walker (1832-1919), American surgeon and suffragette, was the only woman to receive the Medal of Honor
- Mary Willis Walker (* 1942), American writer