Mary Eleanor (disambiguation)

Mary Eleanor may refer to:


 * Mary Eleanor Bowes (1749–1800), English noble
 * Mary Eleanor Brackenridge (1837–1924), American businesswoman, feminist, suffragist, and temperance activist
 * Mary Eleanor Darwin (1842–1842), English daughter of Charles Darwin
 * Mary Eleanor Donahue, birth name of Elinor Donahue (born 1937), American author and retired actress
 * Mary Eleanor Fortescue-Brickdale (1872–1945), English artist
 * Mary Eleanor Noble (1845–1925), English politician and parish historian
 * Mary Eleanor Power (born 1949), American ecologist and professor of biology
 * Mary Eleanor Spear (1897–1986), American data visualization specialist, graphic analyst, and author
 * Mary Eleanor Wheeler, birth name of Mary Pearcey (1866–1890), English woman executed for murder
 * Mary Eleanor Wilkins Freeman (1852–1930), American author