George Whitmore may refer to:

• George Whitmore (British Army officer) (1775–1862), Major General, British Army
• George W. Whitmore (1824–1876), American politician
• George Whitmore (writer) (1945–1989), American writer
• George Whitmore, Jr., accused and cleared in the Career Girls Murders (1963)
• George Whitmore (Lord Mayor) (died 1654), English merchant who was Lord Mayor of London in 1631
• George Stoddart Whitmore (1829–1903), New Zealand soldier, military leader, runholder and politician

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