Nicolai

Nicolai is a male given name: 98% of people named Nicolai are men, and it is recorded as male in 7 of the 7 countries covered.

MaleHigh

Male 98%Female 2%

Verdict: Male
Male / female split: 98% male / 2% female
Confidence: High (64 or more weighted country observations)
Most common in: Moldova, Russia, Denmark
US births since 1880: 1,421 male / 0 female
Data: nam_dict (GFDL) + US SSA
Updated: 2026-09-11

How to address Nicolai

When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Nicolai," in English, "Guten Tag Nicolai," in German. Nicolai is a male given name: about 98% of people named Nicolai are men. A quick look at a profile confirms it for certain.

Ready-made greetings in six languages

English

Dear Nicolai,

German

Guten Tag Nicolai,

French

Bonjour Nicolai,

Spanish

Estimado/a Nicolai:

Chinese

Nicolai您好：

Japanese

Nicolai様

English

Hi Nicolai,

German

Hi Nicolai,

French

Salut Nicolai,

Spanish

Hola Nicolai,

Chinese

Nicolai你好：

Japanese

Nicolai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 Nicolai by country (nam_dict, 55 country columns)
Country	How common	Usually	Male share
Moldova	uncommon	man's name	98%
Russia	uncommon	man's name	98%
Denmark	uncommon	man's name	98%
United States	uncommon	man's name	100%
Romania	uncommon	man's name	98%
Norway	rare	man's name	98%
Ukraine	rare	man's name	98%

United States birth data

1,421 male · 0 female · 1,421 births recorded

Male 100%Female 0%

Since 1980: 100% male.

Frequently asked questions

Is Nicolai a male or female name?

Nicolai is a male given name: 98% of people named Nicolai are men, and it is recorded as male in 7 of the 7 countries covered.

How do I address Nicolai in an email?

Is Nicolai a unisex name?

Nicolai is not a unisex name: 98% of people named Nicolai are men. Nicolai leans strongly male overall.

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

BibTeX

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