Sonja
Sonja is a female given name: 99% of people named Sonja are women, and it is recorded as female in 19 of the 19 countries covered.
- Verdict
- Female
- Male / female split
- 1% male / 99% female
- Confidence
- High (64 or more weighted country observations)
- Most common in
- United States, Slovenia, Austria
- US births since 1880
- 44 male / 39,002 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Sonja
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Sonja," in English, "Guten Tag Sonja," in German. Sonja is a female given name: about 99% of people named Sonja are women. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Sonja,
German
Guten Tag Sonja,
French
Bonjour Sonja,
Spanish
Estimado/a Sonja:
Chinese
Sonja您好：
Japanese
Sonja様
English
Hi Sonja,
German
Hi Sonja,
French
Salut Sonja,
Spanish
Hola Sonja,
Chinese
Sonja你好：
Japanese
Sonja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 | very common | woman's name | 0% |
| Slovenia | common | woman's name | 2% |
| Austria | common | woman's name | 2% |
| Switzerland | common | woman's name | 2% |
| Germany | common | woman's name | 2% |
| East Frisia | common | woman's name | 2% |
| North Macedonia | common | woman's name | 2% |
| Bosnia and Herzegovina | uncommon | woman's name | 2% |
| Belgium | uncommon | woman's name | 2% |
| Denmark | uncommon | woman's name | 2% |
| Croatia | uncommon | woman's name | 2% |
| Netherlands | uncommon | woman's name | 2% |
Show all 19 countries
| Country | How common | Usually | Male share |
|---|---|---|---|
| Norway | uncommon | woman's name | 2% |
| Sweden | uncommon | woman's name | 2% |
| Bulgaria | uncommon | woman's name | 2% |
| Iceland | uncommon | woman's name | 2% |
| Finland | uncommon | woman's name | 2% |
| Czech Republic | rare | woman's name | 2% |
| Russia | rare | woman's name | 2% |
United States birth data
44 male · 39,002 female · 39,046 births recorded
Since 1980: 0% male.
Frequently asked questions
Is Sonja a male or female name?
Sonja is a female given name: 99% of people named Sonja are women, and it is recorded as female in 19 of the 19 countries covered.
How do I address Sonja in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Sonja," in English, "Guten Tag Sonja," in German. Sonja is a female given name: about 99% of people named Sonja are women. A quick look at a profile confirms it for certain.
Is Sonja a unisex name?
Sonja is not a unisex name: 1% of people named Sonja are men. Sonja 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 Sonja a male or female name?", https://dearwho.vercel.app/name/sonja (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_sonja,
title = {Is Sonja a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/sonja},
note = {Data: nam_dict (GFDL), US SSA public domain}
}