Lieutenant General The Right Honourable Sir Thomas Maitland was a British soldier and British colonial governor. He also served as a Member of Parliament for Haddington from 1790 to 1796, 1802–06 and 1812–13. He was made a Privy Councillor on 23 November 1803. He was the second surviving son of James Maitland, 7th Earl of Lauderdale, and the younger brother of James Maitland, 8th Earl of Lauderdale. Maitland never married.

The Most Distinguished Order of Saint Michael and Saint George is a British order of chivalry founded on 28 April 1818 by George, Prince of Wales, while he was acting as prince regent for his father, King George III. It is named in honour of two military saints, Michael and George.