Mary Ellis (1897–2003) was an American actress and singer.
Mary Ellis may also refer to:
Mary Ellis (Civil War nurse), Union nurse during the American Civil War Mary Ellis (pilot) (1917–2018), British World War II pilot Mary Baxter Ellis (1892–1968), British commanding officer of the First Aid Nursing Yeomanry Mary Beth Ellis (born 1977), American long-distance triathlete Mary Elizabeth Ellis (born 1979), American actress Mary Elizabeth Ellis (activist) (1881–1974), Welsh peace activist Mary Gordon Ellis (1889–1934), South Carolina state senator Mary H. Ellis (fl. from 2005), American sound designer Mary McKinley Daves Ellis (1835–1916), American political hostess Mary Paulson-Ellis (born 1968), Scottish writer and novelist Mary-Ellis Bunim (1946–2004), American television producer Mary Ellis Peltz (1896–1981), American drama and music critic Mary Ellis grave, of Mary Ellis (1750–1828), spinster of New Brunswick, New Jersey, U.S.