Prince George Louis of Hessen-Darmstadt (1669 – 13 September 1705) was a Field Marshal in the Austrian army. He is known for his career in Habsburg Spain, as Viceroy of Catalonia (1698–1701), head of the Austrian army in the War of the Spanish Succession (1701–1705) and governor of Gibraltar in 1704. He was killed during the Siege of Barcelona the following year. He was known in Spanish as Jorge de Darmstadt and in Catalan as Jordi Darmstadt.