Sergei

Spellings & scripts●

Locally spelled Sergio in BR Brazil, AR Argentina, ES Spain and 12 more, Сергей in RU Russia, KZ Kazakhstan, BY Belarus and 3 more, Serge in FR France, CA Canada and Сергеевич in TR Türkiye, KG Kyrgyzstan.

Spellings marked ● are how people bearing the name write it in our records; ○ marks a model's transliteration. Click a spelling to open its page.

Meaning & origin●

Attested across 17 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◐

Sergei is also recorded as 2 other names, grouped separately because the records behind them do not connect to the one described above.

• a separate given name5.9K records spelled Sergei5 spellings in the group

  Most recorded in Russia, United States, Ukraine, Belarus

  Also written Sergeĭ, SergeÏ, Sergeǐ, Sergeī

• Hungarian given name2.1K records spelled Sergei2 spellings in the group

  Most recorded in Russia, Slovenia, Hungary, United States

  Also written Sergeĭ

37 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●

Sergei is also recorded in 4 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

• In Russian, Sergei, father superior of the Nikolaevskii Ostrovskii monastery. 1456-71.

  as a word·A Dictionary of Period Russian Names (Wickenden / Goldschmidt 1996)

• In English, A transliteration of the Russian male given name Серге́й (Sergéj), equivalent to Sergius.

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

• In Finnish, The anti-aircraft autocannon ZU-23-2.

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

• Russian: from the old Roman family name Sergius , which is of uncertain, though probably Etruscan, origin. (It was borne, for example, by the conspirator denounced by Cicero, Lucius Sergius Catilina.) St Sergius of Radonezh ( c. 1314–92) is one of the most famous of all Russian saints, hence the great popularity of the name. Pet form: Seryozha .

  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●

US SSA — National Baby Names (1880–present) — 51 years between 1925–2025. One register's own figures, never a sum across registers: two registers counting the same people would double them.

Notable people with this name●

• Sergey Aksakovb. 1791RUnot in their usual nameRussian writer
• Sergey Vavilovb. 1891RUnot in their usual nameSoviet physicist
• Serge Prokofievb. 1891UAnot in their usual nameRussian and Soviet pianist, composer and conductor (1891–1953)
• Sergei Eisensteinb. 1898RUSoviet filmmaker (1898–1948)
• Sergey Lavrovb. 1950RUnot in their usual nameRussian politician of Armenian origin, Minister of Foreign Affairs
• Sergey Nikolayevich Lazarevb. 1952RUnot in their usual nameRussian parapsychologist, writer, psychologist, philosopher, psychic, painter
• Sergei Shoigub. 1955RUSecretary of the Security Council of the Russian Federation since 2024 and former Russian defense minister
• Sergei Surovikinb. 1966RUHead of the CIS' Coordinating Committee for Air Defence
• Sergey Lukyanenkob. 1968RUnot in their usual nameRussian science fiction writer
• Sergey Brinb. 1973USnot in their usual nameAmerican billionaire businessman (born 1973)

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 · 216 rows in the corpus for this spelling.

Frequently asked questions

How common is the name Sergei?

We estimate roughly 1.1 million people bear Sergei (counting its spellings and scripts) across 9 countries in our records.

In which country does Sergei have the most bearers?

Sergei is most frequently recorded in Russia, where it is most often spelled сергей.

How common is Sergei compared with other names?

In Russia, Sergei is the 3rd most common given name of 418,751 given names recorded there.

Is Sergei a male or female name?

Sergei 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 Sergei mean?

Recorded meaning: From Latin Sergius, an old Roman family name of uncertain origin.