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Jostein

Jostein 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.

MaleMedium

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

Verdict
Male
Confidence
Medium (source weight 8 to 63; not an accuracy rate)
High source frequency in
Norway
Data
nam_dict (GFDL) + US SSA
Dataset built
2026-09-11

How to address Jostein

If you do not know Jostein’s preferred form of address, use a greeting without Mr or Ms: “Dear Jostein,” in English, “Guten Tag Jostein,” 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 Jostein,

German

Guten Tag Jostein,

French

Bonjour Jostein,

Spanish

Estimado/a Jostein:

Chinese

Jostein您好：

Japanese

Jostein様

English

Hi Jostein,

German

Hi Jostein,

French

Salut Jostein,

Spanish

Hola Jostein,

Chinese

Jostein你好：

Japanese

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

Frequently asked questions

Is Jostein a male or female name?

Jostein 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 Jostein in an email?

If you do not know Jostein’s preferred form of address, use a greeting without Mr or Ms: “Dear Jostein,” in English, “Guten Tag Jostein,” 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 Jostein a unisex name?

Jostein 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

ArneMaleRolfMaleKjellMaleBjornMaleIvarMaleBeritFemaleTerjeDepends on the countryKnutMale

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

BibTeX
@misc{dearwho_jostein,
  title  = {Is Jostein a male or female name?},
  author = {{DearWho}},
  year   = {2026},
  url    = {https://www.dearwho.app/name/jostein},
  note   = {Data: nam_dict (GFDL), US SSA public domain}
}