John Gilman may refer to:

• John Gilman (activist) (1920–2011), American activist
• John Taylor Gilman (1753–1828), American farmer, shipbuilder and politician
• John J. Gilman (1925–2009), American material scientist
• John M. Gilman (1824–1906), American politician and lawyer

Topics referred to by the same term

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