List of Famous people named Alfonso

Alfonso de Aragon y Escobar (1417–1495), Duke of Villahermosa, Count of Ribagorza and Cortes and Grand Master of the Order of Calatrava, was an illegitimate son of John II of Aragon and one of his mistresses, Leonor de Escobar, daughter of Alfonso Rodríguez de Escobar.

Alfonso III d'Este was Duke of Modena and Reggio from 1628 to 1629. He was the husband of Princess Isabella of Savoy, daughter of Charles Emmanuel I, Duke of Savoy and his wife Infanta Catherine Michelle of Spain.

Alfonso II was the second son of Alfonso II of Aragon and Sancha of Castile. His father transferred the County of Provence from his uncle Sancho to him in 1185. Alfonso II was born in Barcelona.

Alfonso Enríquez, also known as Alonso Enríquez was Lord of Medina de Rioseco and Admiral of Castile.

Alfonso II d'Este was Duke of Ferrara from 1559 to 1597. He was a member of the House of Este.

Alfonso IV d'Este was Duke of Modena and Reggio from 1658 until his death. He was the father of Mary of Modena, consort of James II of England.

Alfonso III, called the Liberal or the Free, was the King of Aragon, King of Valencia, Count of Roussillon, Count of Sardinia and Count of Barcelona from 1285. He conquered the Kingdom of Majorca between his succession and 1287.

Alfonso V, called the Noble, was King of León from 999 to 1028. Enough is known of him to justify the belief that he had some of the qualities of a soldier and a statesman. Like other kings of León, he used the title emperor to assert his standing among the Christian rulers of Spain. He succeeded his father, Bermudo II, in 999. His mother Elvira García and count Menendo González, who raised him in Galicia, acted as his co-regents. Upon the count's death in 1008, Alfonso ruled on his own.

Alfonso Gagliano (Italian pronunciation: [alˈfɔnso gaʎˈʎaːno]; was a Canadian accountant and a Liberal Party politician.