François de Surienne (c. 1398 – 8 April 1462) was a Spanish mercenary and engineer, a specialist in fortification and artillery, who was active in Normandy and Burgundy in the 15th century. He was lord of Pisy and of Châtel-Gérard as well as bailli of Chartres and of Saint-Pierre-le-Moûtier. His name is generally given in Spanish as Francisco de Soriano, Sarriera, Sariñera, Siurana, and Sureda. Since he was born in Aragon, he was also known in France by his demonym, the Aragonese (French: l'Arragonais).