Mary Hughes (disambiguation)

Mary Hughes (1874–1958) was the second wife of Billy Hughes, Prime Minister of Australia.

Mary Hughes may also refer to:


 * Mary Hughes (bowls), lawn bowls competitor for Wales
 * Mary Hughes (British author), British author and teacher
 * Mary Hughes (social worker) (1860–1941), British social worker
 * Mary Beth Hughes (1919–1995), American actress
 * Mary Caroline Hughes (1862–1916), English geologist, artist and photographer
 * Mary Vivian Hughes (1866–1956), British author and educator