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