Kao
Kao is a unisex given name: about 64% of people named Kao are men and 36% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.
This name is used for both men and women without a strong lean either way.
- Verdict
- Unisex
- Male / female split
- 64% male / 36% female
- Confidence
- Medium (8 to 63 weighted country observations)
- Most common in
- United States
- US births since 1880
- 438 male / 244 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Kao
To address Kao when you do not know their gender, use the full name with no title: "Dear Kao," in English, "Guten Tag Kao," in German. About 64% of people named Kao are men and 36% 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 Kao,
German
Guten Tag Kao,
French
Bonjour Kao,
Spanish
Estimado/a Kao:
Chinese
Kao您好:
Japanese
Kao様
English
Hi Kao,
German
Hi Kao,
French
Salut Kao,
Spanish
Hola Kao,
Chinese
Kao你好:
Japanese
Kao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 | uncommon | unisex name | 64% |
United States birth data
438 male · 244 female · 682 births recorded
Since 1980: 64% male.
Frequently asked questions
Is Kao a male or female name?
Kao is a unisex given name: about 64% of people named Kao are men and 36% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.
How do I address Kao in an email?
To address Kao when you do not know their gender, use the full name with no title: "Dear Kao," in English, "Guten Tag Kao," in German. About 64% of people named Kao are men and 36% are women, so a gendered salutation is close to a coin flip, and the neutral form above is the safer choice.
Is Kao a unisex name?
Kao is a unisex name: 64% of people named Kao are men. The split stays close across most of the countries in the data.
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 Kao a male or female name?", https://dearwho.vercel.app/name/kao (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_kao,
title = {Is Kao a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/kao},
note = {Data: nam_dict (GFDL), US SSA public domain}
}