Mary Heaton may refer to:
- Mary Frances Heaton (1801âÂÂ1878), Englishwoman who was committed to an insane asylum in 1837 for insulting an Anglican vicar and was never released
- Mary Margaret Heaton (1836âÂÂ1883), English art historian
- Mary Heaton (gymnast) (1911âÂÂ1989), British gymnast who competed at the 1936 Summer Olympics
See also