Mary King may refer to:

• Mary King (merchant) (c. 1590–1644), Scottish merchant and burgess
  • Mary King's Close, street in Edinburgh, Scotland, named after the above
• Mary King, née Alsop (1769–1819), American wife of Senator Rufus King
• Mary King, white bride of African-American professor William G. Allen (1853)
• Mary Ward (scientist) (née King, 1827–1869), Irish naturalist, astronomer, microscopist, author, and artist
• Mary King (teacher) (1884–1967), New Zealand teacher, principal, businesswoman, and political activist
• Mary Lou King (born 1929), American environmental activist, educator, and writer
• Mary King (political scientist) (born 1940), American professor at the University of Peace, author, and non-violence activist
• Mary King (equestrian) (born 1961), British equestrian and three-time Olympic medallist
• Mary King (economist), Trinidad and Tobago economist and senator
• Mary King, British participant in Japan on Foot

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
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