Reginaldo
Reginaldo is a male given name: 99% of people named Reginaldo are men, and it is recorded as male in 4 of the 4 countries covered.
We have limited data on this name. Treat the verdict as a lead, not a certainty.
- Verdict
- Male
- Male / female split
- 99% male / 1% female
- Confidence
- Low (fewer than 8 weighted country observations)
- Most common in
- United States, Spain, Italy
- US births since 1880
- 402 male / 0 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Reginaldo
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Reginaldo," in English, "Guten Tag Reginaldo," in German. Reginaldo is a male given name: about 99% of people named Reginaldo are men. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Reginaldo,
German
Guten Tag Reginaldo,
French
Bonjour Reginaldo,
Spanish
Estimado/a Reginaldo:
Chinese
Reginaldo您好：
Japanese
Reginaldo様
English
Hi Reginaldo,
German
Hi Reginaldo,
French
Salut Reginaldo,
Spanish
Hola Reginaldo,
Chinese
Reginaldo你好：
Japanese
Reginaldo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 | rare | man's name | 100% |
| Spain | rare | man's name | 98% |
| Italy | rare | man's name | 98% |
| Portugal | rare | man's name | 98% |
United States birth data
402 male · 0 female · 402 births recorded
Since 1980: 100% male.
Frequently asked questions
Is Reginaldo a male or female name?
Reginaldo is a male given name: 99% of people named Reginaldo are men, and it is recorded as male in 4 of the 4 countries covered.
How do I address Reginaldo in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Reginaldo," in English, "Guten Tag Reginaldo," in German. Reginaldo is a male given name: about 99% of people named Reginaldo are men. A quick look at a profile confirms it for certain.
Is Reginaldo a unisex name?
Reginaldo is not a unisex name: 99% of people named Reginaldo are men. Reginaldo 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 Reginaldo a male or female name?", https://dearwho.vercel.app/name/reginaldo (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_reginaldo,
title = {Is Reginaldo a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/reginaldo},
note = {Data: nam_dict (GFDL), US SSA public domain}
}