Alfonso II

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 (c. 1358–1422)
 * 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

Liste der Herrscher namens Alfons