John Warren may refer to:

Medicine

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  • John Warren (surgeon, born 1753) (died 1815), American surgeon during the Revolutionary War, founder of Harvard Medical School
  • John Collins Warren (surgeon, born 1778) (died 1856), American surgeon, founder of the New England Journal of Medicine, son of the revolutionary war surgeon, father of Jonathan Mason Warren, grandfather of John Collins Warren Jr., great-grandfather of John Warren (1874–1928)
  • John Collins Warren (surgeon, born 1842) (died 1927), American surgeon, son of Jonathan Mason Warren, grandson of John Collins Warren
  • John Warren (anatomist, born 1874) (died 1928), American professor of anatomy at Harvard University, son of John Collins Warren Jr., great-grandson of John Collins Warren
  • Jonathan Mason Warren (1811–1867), American surgeon, pioneer of plastic and reconstructive surgery, son of John Collins Warren, father of John Collins Warren Jr.
  • John Robin Warren (born 1937), pathologist

Politics

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Sports

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Other

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