Philipp von Mansfeld (1589 - 8 April 1657), was Graf von (Count of) Mansfeld, Vorderort and Bornstedt who commanded troops during the Thirty Years' War. He first fought on the side of the Swedish Empire under his second cousin, was captured, changed allegiance and raised a navy for General Albrecht von Wallenstein. Later, he commanded troops as Feldmarschall of the Holy Roman Empire.