The Aragonese Crusade (1284–1285), also known as the Crusade of Aragon, was a military venture waged by the Kingdom of France against the Crown of Aragon. Fought as an extension of the War of the Sicilian Vespers (1282–1302), the crusade was called by Pope Martin IV in retribution for Peter III of Aragon's intervention in Sicily, which had damaged the political ambitions of the papacy and France.

Charles of Valois, the fourth son of King Philip III of France and Isabella of Aragon, was a member of the House of Capet and founder of the House of Valois, whose rule over France would start in 1328.