Mio
Mio is a unisex given name: about 13% of people named Mio are men and 87% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.
- Verdict
- Mostly female
- Male / female split
- 13% male / 87% female
- Confidence
- Medium (8 to 63 weighted country observations)
- Most common in
- Japan, United States, Sweden
- US births since 1880
- 47 male / 234 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Mio
To address Mio when you do not know their gender, use the full name with no title: "Dear Mio," in English, "Guten Tag Mio," in German. About 13% of people named Mio are men and 87% 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 Mio,
German
Guten Tag Mio,
French
Bonjour Mio,
Spanish
Estimado/a Mio:
Chinese
Mio您好：
Japanese
Mio様
English
Hi Mio,
German
Hi Mio,
French
Salut Mio,
Spanish
Hola Mio,
Chinese
Mio你好：
Japanese
Mio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 | uncommon | woman's name | 2% |
| United States | rare | woman's name | 17% |
| Sweden | rare | man's name | 98% |
United States birth data
47 male · 234 female · 281 births recorded
Since 1980: 17% male.
Frequently asked questions
Is Mio a male or female name?
Mio is a unisex given name: about 13% of people named Mio are men and 87% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.
How do I address Mio in an email?
To address Mio when you do not know their gender, use the full name with no title: "Dear Mio," in English, "Guten Tag Mio," in German. About 13% of people named Mio are men and 87% are women, so a gendered salutation is close to a coin flip, and the neutral form above is the safer choice.
Is Mio a unisex name?
Mio is not a unisex name: 13% of people named Mio are men. Mio 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 Mio a male or female name?", https://dearwho.vercel.app/name/mio (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_mio,
title = {Is Mio a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/mio},
note = {Data: nam_dict (GFDL), US SSA public domain}
}