Mary King
Mary King may refer to:
- Mary King (merchant), Scottish merchant and burgess
- * Mary King's Close, street in Edinburgh, Scotland, named after the above
- Mary King, née Alsop, American wife of Senator Rufus King
- Mary King, white bride of African-American professor William G. Allen
- Mary Ward (scientist), Irish naturalist, astronomer, microscopist, author, and artist
- Mary King (teacher), New Zealand teacher, principal, businesswoman, and political activist
- Mollie King (actress), American actress
- Mary Lou King, American environmental activist, educator, and writer
- Mary King (political scientist), American professor at the University of Peace, author, and non-violence activist
- Mary King (equestrian), British equestrian and three-time Olympic medallist
- Mary King (economist), Trinidad and Tobago economist and senator
- Mary King, British participant in Japan on Foot