Marinus Willett (July 31, 1740 – August 22, 1830) was an American soldier and political leader from New York. He was characterized by historian Mark M. Boatner as "one of the truly outstanding American leaders of the Revolution." Willett was born in Jamaica, New York, on Long Island, the son of Edward Willett a school teacher and tavern operator. Tradition is between the wars he worked as a cabinetmaker.