Kayo

Kayo is a unisex given name: about 13% of people named Kayo are men and 87% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.

Mostly femaleMedium

Male 13%Female 87%

Verdict: Mostly female
Male / female split: 13% male / 87% female
Confidence: Medium (8 to 63 weighted country observations)
Most common in: Japan, United States
US births since 1880: 193 male / 5 female
Data: nam_dict (GFDL) + US SSA
Updated: 2026-09-11

How to address Kayo

To address Kayo when you do not know their gender, use the full name with no title: "Dear Kayo," in English, "Guten Tag Kayo," in German. About 13% of people named Kayo 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 Kayo,

German

Guten Tag Kayo,

French

Bonjour Kayo,

Spanish

Estimado/a Kayo:

Chinese

Kayo您好：

Japanese

Kayo様

English

Hi Kayo,

German

Hi Kayo,

French

Salut Kayo,

Spanish

Hola Kayo,

Chinese

Kayo你好：

Japanese

Kayoさん

Greeting generator

This is a statistical estimate, not a statement about the gender, identity or correct form of address of any particular person.

Country breakdown

Gender of the name Kayo by country (nam_dict, 55 country columns)
Country	How common	Usually	Male share
Japan	uncommon	woman's name	2%
United States	rare	man's name	98%

United States birth data

193 male · 5 female · 198 births recorded

Male 97%Female 3%

Since 1980: 100% male.

Frequently asked questions

Is Kayo a male or female name?

Kayo is a unisex given name: about 13% of people named Kayo 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 Kayo in an email?

Is Kayo a unisex name?

Kayo is not a unisex name: 13% of people named Kayo are men. Kayo leans strongly female overall.

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.

Cite this page

DearWho, "Is Kayo a male or female name?", https://dearwho.vercel.app/name/kayo (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.

BibTeX

@misc{dearwho_kayo,
  title  = {Is Kayo a male or female name?},
  author = {{DearWho}},
  year   = {2026},
  url    = {https://dearwho.vercel.app/name/kayo},
  note   = {Data: nam_dict (GFDL), US SSA public domain}
}