John Macdonald or MacDonald may refer to:

Government

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Australia

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Britain

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Canada

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United States

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Literature

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  • John D. MacDonald (1916–1986), American mystery author
  • John McDonald, pseudonym of Kenneth Miller (1915–1983), Canadian-American mystery author, better known as Ross Macdonald

Military

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Music

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Religion

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Sports

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Other uses

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See also

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