Sumi
Sumi is a female given name: 98% of people named Sumi are women, and it is recorded as female in 3 of the 3 countries covered.
Sumi · Su Mi · Su-Mi
- Verdict
- Female
- Male / female split
- 2% male / 98% female
- Confidence
- Medium (8 to 63 weighted country observations)
- Most common in
- Korea, Japan, United States
- Also spelled
- Su Mi, Su-Mi
- US births since 1880
- 0 male / 177 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Sumi
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Sumi," in English, "Guten Tag Sumi," in German. Sumi is a female given name: about 98% of people named Sumi are women. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Sumi,
German
Guten Tag Sumi,
French
Bonjour Sumi,
Spanish
Estimado/a Sumi:
Chinese
Sumi您好：
Japanese
Sumi様
English
Hi Sumi,
German
Hi Sumi,
French
Salut Sumi,
Spanish
Hola Sumi,
Chinese
Sumi你好：
Japanese
Sumi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 |
|---|---|---|---|
| Korea | rare | woman's name | 2% |
| Japan | rare | woman's name | 2% |
| United States | rare | woman's name | 0% |
United States birth data
0 male · 177 female · 177 births recorded
Since 1980: 0% male.
Frequently asked questions
Is Sumi a male or female name?
Sumi is a female given name: 98% of people named Sumi are women, and it is recorded as female in 3 of the 3 countries covered.
How do I address Sumi in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Sumi," in English, "Guten Tag Sumi," in German. Sumi is a female given name: about 98% of people named Sumi are women. A quick look at a profile confirms it for certain.
Is Sumi a unisex name?
Sumi is not a unisex name: 2% of people named Sumi are men. Sumi 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 Sumi a male or female name?", https://dearwho.vercel.app/name/sumi (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_sumi,
title = {Is Sumi a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/sumi},
note = {Data: nam_dict (GFDL), US SSA public domain}
}