John Donelson (1718–1785) was an American frontiersman, ironmaster, politician, city planner, and explorer. After founding and operating what became Washington Iron Furnace in Franklin County, Virginia for several years, he moved with his family to Middle Tennessee which was on the developing frontier. There, together with James Robertson, Donelson co-founded the frontier settlement of Fort Nashborough. This later developed as the city of Nashville, Tennessee.

Donelson and his wife Rachel had eleven children, four of them girls. Their tenth was daughter Rachel, whose second husband Andrew Jackson was elected the seventh president of the United States in 1828.