Rein

Rein is a male given name: 95% of people named Rein are men, and it is recorded as male in 1 of the 3 countries covered.

MaleHigh

Male 95%Female 5%

Verdict: Male
Male / female split: 95% male / 5% female
Confidence: High (64 or more weighted country observations)
Most common in: Estonia, Netherlands, United States
US births since 1880: 89 male / 50 female
Data: nam_dict (GFDL) + US SSA
Updated: 2026-09-11

How to address Rein

When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Rein," in English, "Guten Tag Rein," in German. Rein is a male given name: about 95% of people named Rein are men. A quick look at a profile confirms it for certain.

Ready-made greetings in six languages

English

Dear Rein,

German

Guten Tag Rein,

French

Bonjour Rein,

Spanish

Estimado/a Rein:

Chinese

Rein您好：

Japanese

Rein様

English

Hi Rein,

German

Hi Rein,

French

Salut Rein,

Spanish

Hola Rein,

Chinese

Rein你好：

Japanese

Rein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 Rein by country (nam_dict, 55 country columns)
Country	How common	Usually	Male share
Estonia	common	man's name	98%
Netherlands	uncommon	unisex name	50%
United States	rare	unisex name	64%

United States birth data

89 male · 50 female · 139 births recorded

Male 64%Female 36%

Since 1980: 62% male.

Frequently asked questions

Is Rein a male or female name?

Rein is a male given name: 95% of people named Rein are men, and it is recorded as male in 1 of the 3 countries covered.

How do I address Rein in an email?

Is Rein a unisex name?

Rein is not a unisex name: 95% of people named Rein are men. Rein 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 Rein a male or female name?", https://dearwho.vercel.app/name/rein (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.

BibTeX

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