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Kostiantyn

Kostiantyn is classified as a male given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.

MaleLow

Confidence describes the weight of the source data, not a measured accuracy rate.

We have limited data on this name. Treat the verdict as a lead, not a certainty.

Verdict
Male
Confidence
Low (source weight below 8; not an accuracy rate)
High source frequency in
Ukraine
Data
nam_dict (GFDL) + US SSA
Dataset built
2026-09-11

How to address Kostiantyn

If you do not know Kostiantyn’s preferred form of address, use a greeting without Mr or Ms: “Dear Kostiantyn,” in English, “Guten Tag Kostiantyn,” in German. Include their family name if you know it. The name’s classification describes its usage. Follow the form of address the person uses for themselves.

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

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

Classification of Kostiantyn by country (nam_dict and US SSA; not a survey of today’s population)
CountryHow commonUsually
Ukrainerareman's name

Frequently asked questions

Is Kostiantyn a male or female name?

Kostiantyn is classified as a male given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.

How do I address Kostiantyn in an email?

If you do not know Kostiantyn’s preferred form of address, use a greeting without Mr or Ms: “Dear Kostiantyn,” in English, “Guten Tag Kostiantyn,” in German. Include their family name if you know it. The name’s classification describes its usage. Follow the form of address the person uses for themselves.

Is Kostiantyn a unisex name?

Kostiantyn is classified as generally male in the combined dataset. This does not rule out other uses. Our categories describe the sources, rather than a complete survey of everyone with this name.

Related names

YuriDepends on the countryYuliyaFemaleViktoriaFemaleOxanaFemaleSergiyMaleAnatoliMaleJuliyaFemaleOleksandrMale

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 (1880–2017), public domain. Classifications are not measured accuracy rates. Method: how we classify names. Full dataset: data & licences. US source data (babynames). Dataset built 2026-09-11; this is not a new collection date for the source records.

Cite this page

DearWho, "Is Kostiantyn a male or female name?", https://www.dearwho.app/name/kostiantyn. 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://www.dearwho.app/name/kostiantyn},
  note   = {Data: nam_dict (GFDL), US SSA public domain}
}