Peter of Aragon

Peter of Aragon may refer to


 * Peter I of Aragon and Navarre (c. 1068–1104), King of Aragón and Navarre since 1094
 * Ramon Berenguer III, Count of Provence (1158 - 1181), born as Peter of Aragón, Count of the Provence since 1173
 * Peter II of Aragon (1178-1213), King of Aragón and Count of Barcelona since 1094
 * Peter III of Aragon the Great (1240–1285), King of Aragón since 1276
 * Peter of Aragon (1275-1296), son of Peter III of Aragon and Constance II of Sicily
 * Peter IV of Aragon (1319–1387), King of Aragón since 1336
 * Peter of Aragon, Heir of Sicily (1398–1400), Heir Apparent of Sicily and Heir Presumptive of Aragon
 * Peter of Aragon, Count of Alburquerque (1406–1438), infante of Aragon, son of Ferdinand I of Aragon
 * Peter V of Aragon (1429–1466), constable of Portugal, claimed the throne of Aragon