Alfonso strolls in with old-world swagger yet a twinkle of modern ease. Born from the Visigothic Adalfuns, it means “noble and ready,” a pairing that feels equal parts velvet robe and rolled-up sleeves. Spoken in Spanish or Italian as ahl-FAHN-soh, the name once crowned a parade of medieval monarchs—most famously Alfonso X “the Wise,” lover of science, song, and big ideas. Stateside, Alfonso has hovered in the steady middle of the popularity charts for more than a century, a friendly reminder that classic doesn’t have to be common. Today’s Alfonsos range from Oscar-winning director Alfonso Cuarón to power-hitting baseball star Alfonso Soriano, proving the name can leap from art house to ballpark without breaking a sweat. Rich in history, rhythmic on the tongue, and bright with Latin flair, Alfonso offers any little boy a birthright of quiet dignity and ready-for-anything spirit.
| Alfonso VI of León and Castile - Alfonso VI, known as the Brave, ruled León, Galicia, and Castile in the late eleventh and early twelfth centuries. |
| Alfonso XIII was born King of Spain after his father's death and reigned until the Second Spanish Republic was proclaimed in 1931. |
| Alfonso the Battler - Known as the Battler, Alfonso I ruled Aragon and Navarre from 1104 to 1134 and earned his nickname in the Reconquista by capturing Zaragoza in 1118. |
| Alfonso V of Aragon - Alfonso the Magnanimous was a 15th century King of Aragon, Sicily and Naples who won fame as a generous patron of early Renaissance arts and letters. |
| Alfonso Cuarón is a celebrated Mexican filmmaker whose many honors include four Academy Awards and a Golden Lion. |
| Alfonso Ribeiro is an American actor, comedian, dancer and TV host best known for playing Carlton Banks on The Fresh Prince of Bel-Air. |
| Alfonso Enríquez was a Castilian nobleman who served as Lord of Medina de Rioseco and Admiral of Castile. |
| Alfonso González - Arturo "Ponchito" González is a Mexican footballer who plays midfield for Liga MX club Atlas. |
| Alfonso Reyes was a celebrated Mexican writer and diplomat who earned five Nobel Prize nominations. |
| Alfonso A. Ossorio - Alfonso Ossorio was a Manila-born Filipino American abstract expressionist who studied art at Harvard and served as a medical illustrator in the US Army during World War II. |
| Alfonso V of León - Alfonso V the Noble ruled as King of León from 999 to 1028 and took full control in 1008 after years under a regency. |
| Alfonso II d'Este was a member of the House of Este who ruled as Duke of Ferrara from 1559 to 1597. |
| Luis Alfonso Robelo Callejas is a Nicaraguan businessman who founded the Nicaraguan Democratic Movement. |
| Alfonso I of Asturias - Known as the Catholic, Alfonso I ruled Asturias from 739 to 757 and expanded his Christian kingdom by reclaiming Galicia and León. |
| Alfonso Ferrero La Marmora was an Italian general and statesman whose older brothers included the soldier and naturalist Alberto della Marmora and Alessandro Ferrero La Marmora, founder of the Bersaglieri. |