Alfonso
How to say it: al-FON-soh · /ælˈfɑnsoʊ/
From Germanic Adalfuns or Alphons: adal (noble) + funs (ready, eager) — 'noble and ready'. Classic Iberian royal name.
Alfonso was the 917th most popular boys’ name in the United States in 2025, given to 223 babies (Social Security Administration). Its busiest decade was the 1920s, its births are down about 23% in ten years, and it is projected to rise to #909 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #917 |
|---|---|
| Babies born in 2025 | 223 |
| Share of births | 1 in 14,867 |
| Peak decade | 1920s |
| Change over 10 years | −23% |
| Projected rank for 2030 (estimate) | #909 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Once much more common than today, Alfonso peaked back in the 1920s. Sitting well below that peak, it may rise a little soon.
What goes with it
Broad and rolling with soft and breathy sounds, Alfonso carries a strong royal air. Fernando and Emilio share its style.
Parents who love Alfonso also love
Nicknames
- Al
- Fonso
- Fonsi
- Alfo
Honouring a Alfonso in the family
- Alpet form
- Afonsoequivalent
- Alphonseequivalent
- Alonsoequivalent
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Alfonso is about under 1 in 200.
Around the world
This spelling is used in English, French, German, Italian, Portuguese, Spanish.
Famous people named Alfonso
- Alfonso Cuarón (born 1961)Mexican filmmaker
- Alfonso XIII (1886–1941)King of Spain from 1886 to 1931
- Alfonso X of Castile and Leon (1221–1284)King of Castile from 1252 to 1284
From Wikidata and Wikipedia
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