Mary Miller may refer to:
- Mary Miller (actress) (1929–2020), English actress
- Mary Miller (art historian) (born 1952), American art historian
- Mary Miller (artistic director) (active since 1990), artistic director of the Bergen National Opera, Norway
- Mary Miller (Colorado businesswoman) (1843–1921), founder of Lafayette, Colorado
- Mary Miller (politician) (born 1959), U.S. Representative
- Mary Miller (soprano) (c.1926–1949), Australian singer
- Mary Miller (writer) (active since 2009), American fiction writer
- Mary A. Miller (active 1858–1907), American missionary editor
- Mary Farnham Miller (1872–1920), American botanist
- Mary Hedley-Miller (1923–2010), British civil servant
- Mary J. Miller (born 1955), U.S. Under Secretary of the Treasury
- Mary K. Miller (born 1957), American country singer
- Mary Millicent Miller (1846–1894), American steamboat master
- Mary Rogers Miller (1868–1971), American writer and educator
- Mary Dockray-Miller (born 1965), American scholar of history
- Mary Durack Miller (1913–1994), Australian author and historian
See also
edit- Mary Boykin Chesnut (née Miller, 1823–1886), American diarist
- Mary Miller Glasscock (1872–1925), wife of former West Virginia governor, William E. Glasscock
- Mary Millar (1936–1998), British actress of Keeping Up Appearances