DearWho
DE
DearWho

Osa

Osa is a unisex given name: about 12% of people named Osa are men and 88% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.

Mostly femaleMedium
Male 12%Female 88%
Verdict
Mostly female
Male / female split
12% male / 88% female
Confidence
Medium (8 to 63 weighted country observations)
Most common in
United States
US births since 1880
87 male / 653 female
Data
nam_dict (GFDL) + US SSA
Updated
2026-09-11

How to address Osa

To address Osa when you do not know their gender, use the full name with no title: "Dear Osa," in English, "Guten Tag Osa," in German. About 12% of people named Osa are men and 88% 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 Osa,

German

Guten Tag Osa,

French

Bonjour Osa,

Spanish

Estimado/a Osa:

Chinese

Osa您好：

Japanese

Osa様

English

Hi Osa,

German

Hi Osa,

French

Salut Osa,

Spanish

Hola Osa,

Chinese

Osa你好：

Japanese

Osa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 Osa by country (nam_dict, 55 country columns)
CountryHow commonUsuallyMale share
United Statesuncommonwoman's name12%

United States birth data

87 male · 653 female · 740 births recorded

Male 12%Female 88%

Since 1980: 29% male.

Frequently asked questions

Is Osa a male or female name?

Osa is a unisex given name: about 12% of people named Osa are men and 88% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.

How do I address Osa in an email?

To address Osa when you do not know their gender, use the full name with no title: "Dear Osa," in English, "Guten Tag Osa," in German. About 12% of people named Osa are men and 88% are women, so a gendered salutation is close to a coin flip, and the neutral form above is the safer choice.

Is Osa a unisex name?

Osa is not a unisex name: 12% of people named Osa are men. Osa leans strongly female overall.

Related names

MariaFemaleAnnaFemaleMarieFemalePeterMaleJeanDepends on the countryAlexanderMaleDavidMaleJoseMale

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

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