Mary Ross or Rosse may refer to:
Mary Ross (shipbuilder) (?–1847), English shipbuilder Mary Golda Ross (1908–2008), Native American female engineer Mary Jane Ross (1827–1908), Cherokee writer Mary Leslie, Countess of Ross
Mary Ross, character in "The Toys of Caliban" Mary Ross, character in The Airmail Mystery Mary Ross Banks (1846–1910), née Ross, American writer Mary Ross Ellingson (1906–1993), née Ross, Canadian archaeologist
See also Mary Rosse (1813–1885), Anglo-Irish amateur astronomer, architect, furniture designer, and pioneering photographer