Ermenonville is a commune in the Oise department, northern France. Ermenonville is notable for its park named for Jean-Jacques Rousseau by René Louis de Girardin. Rousseau's tomb was designed by the painter Hubert Robert, and sits on the Isle of Poplars in its lake.

Jean-Jacques Rousseau was a Genevan philosopher (philosophe), writer, and composer. His political philosophy influenced the progress of the Age of Enlightenment throughout Europe, as well as aspects of the French Revolution and the development of modern political, economic, and educational thought.