Ryuko
Ryuko is a unisex given name: about 25% of people named Ryuko are men and 75% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.
We have limited data on this name. Treat the verdict as a lead, not a certainty.
- Verdict
- Mostly female
- Male / female split
- 25% male / 75% female
- Confidence
- Low (fewer than 8 weighted country observations)
- Most common in
- Japan
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Ryuko
To address Ryuko when you do not know their gender, use the full name with no title: "Dear Ryuko," in English, "Guten Tag Ryuko," in German. About 25% of people named Ryuko are men and 75% are women, so a gendered salutation is close to a coin flip, and the neutral form above is the safer choice.
Ready-made greetings in six languages
English
Dear Ryuko,
German
Guten Tag Ryuko,
French
Bonjour Ryuko,
Spanish
Estimado/a Ryuko:
Chinese
Ryuko您好:
Japanese
Ryuko様
English
Hi Ryuko,
German
Hi Ryuko,
French
Salut Ryuko,
Spanish
Hola Ryuko,
Chinese
Ryuko你好:
Japanese
Ryuko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 |
|---|---|---|---|
| Japan | rare | woman's name | 25% |
Frequently asked questions
Is Ryuko a male or female name?
Ryuko is a unisex given name: about 25% of people named Ryuko are men and 75% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.
How do I address Ryuko in an email?
To address Ryuko when you do not know their gender, use the full name with no title: "Dear Ryuko," in English, "Guten Tag Ryuko," in German. About 25% of people named Ryuko are men and 75% are women, so a gendered salutation is close to a coin flip, and the neutral form above is the safer choice.
Is Ryuko a unisex name?
Ryuko is not a unisex name: 25% of people named Ryuko are men. Ryuko leans strongly female 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 Ryuko a male or female name?", https://dearwho.vercel.app/name/ryuko (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_ryuko,
title = {Is Ryuko a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/ryuko},
note = {Data: nam_dict (GFDL), US SSA public domain}
}