Alfonso of Aragon

Alfonso of Aragon may refer to:

Kings of Aragon

 * Alfonso I the Battler (r. 1104–1134)
 * Alfonso II the Chaste or the Troubadour (r. 1164–1196)
 * Alfonso III the Liberal or the Free (r. 1285–1291)
 * Alfonso IV the Kind (r. 1327–1336)
 * Alfonso V the Magnanimous (r. 1416–1458)

Princes (Infantes) of Aragon

 * Alfonso (1332–1412), duke of Gandia, count of Denia, count of Ribagorza, marquis of Villena, constable of Castile
 * Alfonso (1358–1422), duke of Gandia, count of Denia, count of Ribagorza
 * Alfonso (1417–1495), duke of Villahermosa, count of Ribagorza and Cortes, baron of Arenos, grand master of the Order of Calatrava
 * Alonso or Alfonso (1470–1520), archbishop of Zaragoza and Valencia and lt. general of Aragon
 * Alfonso (1481–1500), duke of Bisceglie and prince of Salerno