Alfonso
Alfonso is a male given name: 99% of people named Alfonso are men, and it is recorded as male in 5 of the 5 countries covered.
- Verdict
- Male
- Male / female split
- 99% male / 1% female
- Confidence
- High (64 or more weighted country observations)
- Most common in
- United States, Spain, Italy
- US births since 1880
- 39,563 male / 109 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Alfonso
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Alfonso," in English, "Guten Tag Alfonso," in German. Alfonso is a male given name: about 99% of people named Alfonso are men. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Alfonso,
German
Guten Tag Alfonso,
French
Bonjour Alfonso,
Spanish
Estimado/a Alfonso:
Chinese
Alfonso您好：
Japanese
Alfonso様
English
Hi Alfonso,
German
Hi Alfonso,
French
Salut Alfonso,
Spanish
Hola Alfonso,
Chinese
Alfonso你好：
Japanese
Alfonsoさん
This is a statistical estimate, not a statement about the gender, identity or correct form of address of any particular person.
Country breakdown
| Country | How common | Usually | Male share |
|---|---|---|---|
| United States | very common | man's name | 100% |
| Spain | common | man's name | 98% |
| Italy | uncommon | man's name | 98% |
| Switzerland | rare | man's name | 98% |
| Portugal | rare | man's name | 98% |
United States birth data
39,563 male · 109 female · 39,672 births recorded
Since 1980: 100% male.
Frequently asked questions
Is Alfonso a male or female name?
Alfonso is a male given name: 99% of people named Alfonso are men, and it is recorded as male in 5 of the 5 countries covered.
How do I address Alfonso in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Alfonso," in English, "Guten Tag Alfonso," in German. Alfonso is a male given name: about 99% of people named Alfonso are men. A quick look at a profile confirms it for certain.
Is Alfonso a unisex name?
Alfonso is not a unisex name: 99% of people named Alfonso are men. Alfonso leans strongly male overall.
Related names
Sources
Gender by country: nam_dict, the c't first-names dictionary by Joerg Michael, roughly 44,000 names across 55 countries, licensed GFDL. US frequencies: United States Social Security Administration baby-name data, public domain. Method: how we classify names. Full dataset: data & licences. Data built 2026-09-11.
DearWho, "Is Alfonso a male or female name?", https://dearwho.vercel.app/name/alfonso (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_alfonso,
title = {Is Alfonso a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/alfonso},
note = {Data: nam_dict (GFDL), US SSA public domain}
}