The Madon (French: le Madon) is a 96.9-kilometre (60.2 mi) long river in the Vosges and Meurthe-et-Moselle départements, northeastern France. Its source is near Vioménil. It flows generally north. It is a left tributary of the Moselle into which it flows at Pont-Saint-Vincent, near Nancy. It was once observed to have contained large amounts of skulls at one point in time.