Mary Brown or Browne may refer to:
Mary Brown, alias for Typhoid Mary (1869–1938), first identified asymptomatic carrier of typhoid fever in the United States Mary Brown (author) (1929–1999), British fantasy and science fiction author Mary Brown (Michigan politician) (1935–2021), American politician and educator Mary Brown (nurse) (1840–1936), nurse and soldier in the American Civil War Mary Brown Bullock (born 1944), American academic specializing in Chinese history Mary Browne (1891–1971), American tennis player Mary Browne, Countess of Southampton (1552–1603), English peer Mary Ann Brown (?–1963), American murder victim Mary Ann Browne (1812–1845), English poet and writer of musical scores Mary Ann Brown Newcomb (1817–1892), American camp- and hospital nurse during the American Civil War Mary Ann Brown Patten (1837–1861), American woman who was the first female American merchant vessel commander Mary Ann Day Brown (1816–1884), wife of abolitionist John Brown Mary Annora Brown (1899–1987), Canadian artist Mary Antoinette Brown-Sherman (1926–2004), Liberian educator and academic administrator Mary Babnik Brown (1907–1991), American who donated her hair for using as bombsight crosshairs Mary Bonaventure Browne (17th century), Irish abbess and historian Mary Elizabeth Brown (1862–1952), first female graduate of the University of Sydney
Mary Louise Brown (1868–1927), first African-American woman to receive a wartime medical commission Mary Ward Brown (1917–2013), American short-story writer and memoirist Mary Browne (courtier) (1593–1692), English aristocrat Mary Elizabeth Adams Brown (1842–1918), American writer, collector, and curator of musical instruments Mary Brown (songwriter), American singer and songwriter "Mary Brown", a song by Irving Berlin Mary Brown Austin (1768–1824), née Brown, pioneer in the early settlement of Anglo-Americans in Texas Mary Brown Channel (1907–2006), née Brown, American architect Mary Brown Pharr (1919–1972), née Brown, American classicist Mary Jane Brown (1895–1976), American academic and World War II nurse Mary Willcox Brown Glenn (1869–1940), née Brown, American social worker Mary Leigh (1885–1979), née Brown, English political activist and suffragette
See also Mary Brown's (founded in 1969), restaurant chain in Canada