Mary Parsons may refer to:
Mary Bliss Parsons (1628–1712), American woman accused of witchcraft Mary Almera Parsons (1850–1944), American physician Mary Elizabeth Parsons (1859–1947), author of a guide to California wildflowers Mary Rosse, in full Mary Parsons, Countess of Rosse (1813–1885), British Irish amateur astronomer, architect, furniture designer, and photographer Mary Bridget Parsons (1907–1972), English socialite Mary Parsons Reid Allan (1917–2002), Scottish artist