Lord George Manners-Sutton (8 March 1723 – 7 January 1783, Kelham Hall), born Lord George Manners, was a British nobleman and politician, the third son of John Manners, 3rd Duke of Rutland. On 5 December 1749, he married Diana Chaplin (d. 1767), only daughter of Thomas Chaplin of Blankney, Lincolnshire, by whom he had nine children: On 5 February 1768, he married Mary Peart, by whom he had one daughter: * Mary Manners-Sutton (d. 20 November 1829), married in 1799 Rev. Richard Lockwood He died at Kelham Hall in 1783 and was succeeded by his eldest son, George.