Yuiko
Yuiko is a female given name: 98% of people named Yuiko are women, and it is recorded as female in 1 of the 1 countries covered.
We have limited data on this name. Treat the verdict as a lead, not a certainty.
- Verdict
- Female
- Male / female split
- 2% male / 98% 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 Yuiko
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Yuiko," in English, "Guten Tag Yuiko," in German. Yuiko is a female given name: about 98% of people named Yuiko are women. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Yuiko,
German
Guten Tag Yuiko,
French
Bonjour Yuiko,
Spanish
Estimado/a Yuiko:
Chinese
Yuiko您好：
Japanese
Yuiko様
English
Hi Yuiko,
German
Hi Yuiko,
French
Salut Yuiko,
Spanish
Hola Yuiko,
Chinese
Yuiko你好：
Japanese
Yuiko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 | 2% |
Frequently asked questions
Is Yuiko a male or female name?
Yuiko is a female given name: 98% of people named Yuiko are women, and it is recorded as female in 1 of the 1 countries covered.
How do I address Yuiko in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Yuiko," in English, "Guten Tag Yuiko," in German. Yuiko is a female given name: about 98% of people named Yuiko are women. A quick look at a profile confirms it for certain.
Is Yuiko a unisex name?
Yuiko is not a unisex name: 2% of people named Yuiko are men. Yuiko 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 Yuiko a male or female name?", https://dearwho.vercel.app/name/yuiko (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_yuiko,
title = {Is Yuiko a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/yuiko},
note = {Data: nam_dict (GFDL), US SSA public domain}
}