Tonja
Tonja is a female given name: 100% of people named Tonja are women, and it is recorded as female in 1 of the 1 countries covered.
- Verdict
- Female
- Male / female split
- 0% male / 100% female
- Confidence
- High (64 or more weighted country observations)
- Most common in
- United States
- US births since 1880
- 5 male / 6,989 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Tonja
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Tonja," in English, "Guten Tag Tonja," in German. Tonja is a female given name: about 100% of people named Tonja are women. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Tonja,
German
Guten Tag Tonja,
French
Bonjour Tonja,
Spanish
Estimado/a Tonja:
Chinese
Tonja您好：
Japanese
Tonja様
English
Hi Tonja,
German
Hi Tonja,
French
Salut Tonja,
Spanish
Hola Tonja,
Chinese
Tonja你好：
Japanese
Tonja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 | common | woman's name | 0% |
United States birth data
5 male · 6,989 female · 6,994 births recorded
Since 1980: 0% male.
Frequently asked questions
Is Tonja a male or female name?
Tonja is a female given name: 100% of people named Tonja are women, and it is recorded as female in 1 of the 1 countries covered.
How do I address Tonja in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Tonja," in English, "Guten Tag Tonja," in German. Tonja is a female given name: about 100% of people named Tonja are women. A quick look at a profile confirms it for certain.
Is Tonja a unisex name?
Tonja is not a unisex name: 0% of people named Tonja are men. Tonja 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 Tonja a male or female name?", https://dearwho.vercel.app/name/tonja (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_tonja,
title = {Is Tonja a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/tonja},
note = {Data: nam_dict (GFDL), US SSA public domain}
}