Kostiantyn
Kostiantyn is a male given name: 98% of people named Kostiantyn are men, and it is recorded as male in 1 of the 1 countries covered.
We have limited data on this name. Treat the verdict as a lead, not a certainty.
- Verdict
- Male
- Male / female split
- 98% male / 2% female
- Confidence
- Low (fewer than 8 weighted country observations)
- Most common in
- Ukraine
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Kostiantyn
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Kostiantyn," in English, "Guten Tag Kostiantyn," in German. Kostiantyn is a male given name: about 98% of people named Kostiantyn are men. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Kostiantyn,
German
Guten Tag Kostiantyn,
French
Bonjour Kostiantyn,
Spanish
Estimado/a Kostiantyn:
Chinese
Kostiantyn您好：
Japanese
Kostiantyn様
English
Hi Kostiantyn,
German
Hi Kostiantyn,
French
Salut Kostiantyn,
Spanish
Hola Kostiantyn,
Chinese
Kostiantyn你好：
Japanese
Kostiantyn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 |
|---|---|---|---|
| Ukraine | rare | man's name | 98% |
Frequently asked questions
Is Kostiantyn a male or female name?
Kostiantyn is a male given name: 98% of people named Kostiantyn are men, and it is recorded as male in 1 of the 1 countries covered.
How do I address Kostiantyn in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Kostiantyn," in English, "Guten Tag Kostiantyn," in German. Kostiantyn is a male given name: about 98% of people named Kostiantyn are men. A quick look at a profile confirms it for certain.
Is Kostiantyn a unisex name?
Kostiantyn is not a unisex name: 98% of people named Kostiantyn are men. Kostiantyn leans strongly male 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 Kostiantyn a male or female name?", https://dearwho.vercel.app/name/kostiantyn (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_kostiantyn,
title = {Is Kostiantyn a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/kostiantyn},
note = {Data: nam_dict (GFDL), US SSA public domain}
}