Margaret Kemble Gage (1734–1824) was the wife of General Thomas Gage, who led the British Army in Massachusetts in the American Revolutionary War. It is alleged that she played an important role in the outcome of the American Revolution. She was suspected of having divided loyalties and informing the American Revolutionaries of British troop movements.

General Thomas Gage was a British Army general officer and colonial official best known for his many years of service in North America, including his role as British commander-in-chief in the early days of the American Revolution.