Mary Roberts may refer to:
Mary Roberts (author) (1788–1864), English author Mary Roberts (bodybuilder) (born 1950), American former professional female bodybuilder Mary Roberts (painter) (?–1761), American first female miniaturist in the American colonies Mary Roberts (poet), see 1822 in poetry Mary Roberts Rinehart (1876–1958), née Roberts, American author Mary Roberts (1906–2019), Canadian supercentenarian Mary Fanton Roberts (1864–1956), American journalist Mary Grant Roberts (1841–1921), Australian zoo owner Mary Helen Roberts (born 1947), American politician in the state of Washington Mary Louise Roberts (physiotherapist) (1886–1968), New Zealand masseuse, physiotherapist, and mountaineer Mary Louise Roberts (historian), American historian Mary May Roberts (1877–1959), American nurse Mary Wendy Roberts (born 1944), American politician in the state of Oregon Mary Roberts Coolidge (1860–1945), née Roberts, American sociologist and author Cokie Roberts (1943–2019), real name Mary Roberts, American journalist and author