John Hatcher may refer to:
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John Hatcher (commissioner) (1634–1678), English local official in Lincolnshire, a Member of Parliament for part of 1660
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John Bell Hatcher
John Bell Hatcher (October 11, 1861 – July 3, 1904) was an American paleontologist and fossil hunter known as the "king of collectors" and best known for discovering ''Torosaurus'' and ''Triceratops'', two genera of dinosaurs described by O ...
(1861–1904), American paleontologist
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