Alfonso II may refer to: Alfonso II of Asturias (791–842) Alfonso II of Aragon (1162–1196) Alfonso II, Count of Provence (1174–1209) Afonso II of Portugal (1185–1223), "the Fat" Alfonso, Count of Poitou (1220–1271), jure uxoris Alfonso II, Count of Toulouse Alfonso II, Duke of Gandia (–1422) Alfonso II of Naples (1448–1495) Alfonso II Piccolomini (1499–1559), Neapolitan nobleman and military leader Alfonso II d'Este (1533–1597), duke of Ferrara Alfonso, Duke of Anjou and Cádiz (1972–1989), Legitimist pretender to the French throne
de:Liste der Herrscher namens Alfons#Alfons II.