Janusz

Meaning & origin●

Attested across 18 languages in the etymology graph.

Languages●

Language is read off each record's context, not declared by the bearer; a share is of all records for this spelling.

Other names spelled this way◐

Janusz is also recorded as another name, grouped separately because the records behind them do not connect to the one described above.

• Ukrainian surname402 records spelled Janusz23 spellings in the group

  Most recorded in Ukraine, Russia, Poland, United States

  Languages: Ukrainian, Russian, Polish

  Also written Януш, Yanush, Янушь, Bieszk, Иануш

55 further groups record this spelling and are not listed here.

Grouping is the name graph's, not a register's: two spellings join a group when the evidence links them, so a group is a claim about the records rather than about the people.

Other recorded senses●

Janusz is also recorded in 3 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

• In Polish, alternative letter-case form of janusz

  as a word·kaikki.org Wiktionary extract (IPA + transliterations)

• In Swedish, Janusz är en polsk smekform till → Jan.

  as a name·Förnamn i Sverige. Kortfattat namnlexikon

• Polish: pet form of JAN (1) , now also used as an independent given name.

  as a word

Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.

Over time●

NO SSB — Navn (1880–present) — 35 years between 1950–1987. One register's own figures, never a sum across registers: two registers counting the same people would double them.

Notable people with this name●

• Janusz Radziwiłłb. 1880PLPolish diplomat (1880-1967)
• Janusz Kusocińskib. 1907PLPolish long distance runner (1907-1940)
• Janusz Sidłob. 1933PLathletics competitor (1933-1993)
• Janusz Onyszkiewiczb. 1937PLPolish politician
• Janusz Głowackib. 1938PLPolish writer (1938–2017)
• Janusz Gajosb. 1939PLPolish actor
• Janusz Korwin-Mikkeb. 1942PLPolish far-right politician and publicist (born 1942)
• Janusz Kupcewiczb. 1955PLPolish association football player (1955–2022)
• Janusz Kamińskib. 1959PLPolish cinematographer
• Janusz Palikotb. 1964PLPolish politician, activist and businessman

The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).

Evidence●

Register rows as of the 2026-09-12 data build · 266 rows in the corpus for this spelling.

Frequently asked questions

How common is the name Janusz?

We estimate roughly 178 thousand people bear Janusz (counting its spellings and scripts) across 11 countries in our records.

In which country does Janusz have the most bearers?

We estimate about 173 thousand people bear Janusz in Poland, more than in any other country in our records, where it is most often spelled janusz.

Where is Janusz most common?

Janusz is densest in Poland, where the national register counts about 1 in 221 people carrying it.

How common is Janusz compared with other names?

In Poland, Janusz is the 76th most common given name of 66,904 given names recorded there.

Is Janusz a male or female name?

Janusz is a male name in our records. Opposite-gender entries fall within the cross-gender noise we measure in the source data, so we don't report them as usage.

What does the name Janusz mean?

Recorded meaning: from the personal name Janusz, a derivative of Jan.