Mary Dawson may refer to:
- Mary R. Dawson (1931âÂÂ2020), American paleontologist
- Mary Dawson (civil servant) (1942âÂÂ2023), Canadian civil servant
- Mary Cardwell Dawson (1894âÂÂ1962), African-American musician and teacher
- Mary Elizabeth Dawson (1833âÂÂ1924), New Zealand servant, farmer, environmentalist and nurse
- Mary Dawson, Countess of Dartrey (1854âÂÂ1939), British peer
- Mademoiselle Fifi (dancer) (Mary Elizabeth Dawson, 1890âÂÂ1982), American dancer