Lain

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

MaleLow

Male 95%Female 5%

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

Verdict: Male
Male / female split: 95% male / 5% female
Confidence: Low (fewer than 8 weighted country observations)
Most common in: United States
US births since 1880: 378 male / 20 female
Data: nam_dict (GFDL) + US SSA
Updated: 2026-09-11

How to address Lain

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

Ready-made greetings in six languages

English

Dear Lain,

German

Guten Tag Lain,

French

Bonjour Lain,

Spanish

Estimado/a Lain:

Chinese

Lain您好：

Japanese

Lain様

English

Hi Lain,

German

Hi Lain,

French

Salut Lain,

Spanish

Hola Lain,

Chinese

Lain你好：

Japanese

Lain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 Lain by country (nam_dict, 55 country columns)
Country	How common	Usually	Male share
United States	rare	man's name	95%

United States birth data

378 male · 20 female · 398 births recorded

Male 95%Female 5%

Since 1980: 95% male.

Frequently asked questions

Is Lain a male or female name?

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

How do I address Lain in an email?

Is Lain a unisex name?

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

BibTeX

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