| Alfonso V | |
|---|---|
 Alfonso as a Knight of the Golden Fleece Miniature from the Southern Netherlands, 1473 | |
| King of Aragon | |
| Reign | 2 April 1416 – 27 June 1458 |
| Predecessor | Ferdinand I |
| Successor | John II |
| King of Naples | |
| Reign | 2 June 1442 – 27 June 1458 |
| Predecessor | René |
| Successor | Ferdinand I |
| Born | 1396 Medina del Campo, Kingdom of Castile |
| Died | 27 June 1458 (aged 61–62) Castel dell'Ovo, Naples, Kingdom of Naples |
| Burial | |
| Spouse | |
| Issue among others... | Ferdinand I of Naples |
| House | Trastámara |
| Father | Ferdinand I of Aragon |
| Mother | Eleanor of Alburquerque |
| Signature |  |
Alfonso the Magnanimous (Alfons el Magnànim in Catalan)[a] (1396 – 27 June 1458) was King of Aragon and King of Sicily (as Alfons V) and the ruler of the Crown of Aragon[b] from 1416 and King of Naples (as Alfons I) from 1442 until his death. He was involved with struggles to the throne of the Kingdom of Naples with Louis III of Anjou, Joanna II of Naples and their supporters, but ultimately failed and lost Naples in 1424. He recaptured it in 1442 and was crowned king of Naples. He had good relations with his vassal, Stjepan Kosača, and his ally, Skanderbeg, providing assistance in their struggles in the Balkans. He led diplomatic contacts with the Ethiopian Empire and was a prominent political figure of the early Renaissance, being a supporter of literature as well as commissioning several constructions for the Castel Nuovo.
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