Philippe Emmanuel de Lorraine, Duke of Mercœur (9 September 1558, Nomeny, Meurthe-et-Moselle – 19 February 1602, Nürnberg), the eldest surviving son of Nicholas, Duke of Mercœur and Jeanne de Savoie-Nemours, was a French soldier and prominent member of the Catholic League.
Engraving of Philippe Emmanuel, Duke of Mercœur

He was made a knight of the Order of Saint Esprit in 1578. His wife was Marie de Luxemburg, the Duchess of Penthièvre