George Mackenzie may refer to:
People George Mackenzie of Rosehaugh (1636–1691), Scottish lawyer George Mackenzie, 1st Earl of Cromartie (1630–1714), Scottish Secretary of State George Mackenzie, 2nd Earl of Seaforth (died 1651), Highland clan chief and Scottish nobleman George Mackenzie (died 1760) (c. 1662–1760), MP for Inverness Burghs, 1710–13 Sir George Mackenzie, 4th Baronet (c. 1702–1748), MP for Cromarty, 1729–34 George Mackenzie, 3rd Earl of Cromartie (c. 1703–1766), Scottish nobleman George Mackenzie (1741–1787), army officer at Great Siege of Gibraltar George Mackenzie (Royal Navy officer) (died 1780), British admiral Sir George Mackenzie, 7th Baronet (1780–1848), Scottish mineralogist George Henry Mackenzie (1837–1891), Scottish-American chess master George MacKenzie (wrestler) (1890–1956), British champion wrestler George K. MacKenzie (1910–1943), U.S. Navy officer George P. MacKenzie (1873–1953), former administrator for the Canadian Yukon George Sutherland Mackenzie (1844–1910), British businessman and explorer George Mackenzie, a nickname of professional baseball player Kenji Johjima (born 1975)
Ships USS George K. MacKenzie, a Gearing-class destroyer of the United States Navy