Aleksei

Spellings & scripts●

Locally spelled Alex in BR Brazil, US United States, PE Peru and 16 more, Алексей in RU Russia, KZ Kazakhstan, TR Türkiye and 3 more, Олексій in UA Ukraine and Oleh in PL Poland.

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 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◐

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

• a separate given name2.4K records spelled Aleksei6 spellings in the group

  Most recorded in Russia, United States, Ukraine, Belarus

  Also written Alekseĭ, Alekseï, Alekseǐ, Alekseī, Alekséi

32 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●

Aleksei is also recorded in 2 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

• In English, A transliteration of the Russian male given name Алексе́й (Alekséj).

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

• Russian form of ALEXIUS . Pet form: Alyosha .

  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) — 32 years between 1994–2025. One register's own figures, never a sum across registers: two registers counting the same people would double them.

Notable people with this name●

• Alexei I of Russiab. 1629RUnot in their usual nameTsar of Russia (1645–1676)
• Maxim Gorkib. 1868RUnot in their usual nameRussian and Soviet writer (1868–1936)
• Alexei Rykovb. 1881RUnot in their usual namePremier of Russia and the Soviet Union (1881-1938)
• Alexei Kosyginb. 1904RUnot in their usual nameSoviet politician (1904-1980)
• Alexei Alexeyevich Abrikosovb. 1928RUnot in their usual nameSoviet, Russian and American theoretical physicist
• Patriarch Alexius IIb. 1929EEnot in their usual name15th Patriarch of Moscow and all the Rus', the primate of the Russian Orthodox Church (1929–2008)
• Aleksei Arkhipovich Leonovb. 1934RUSoviet pilot and cosmonaut, first human to conduct a spacewalk (1934-2019)
• Alexey Ekimovb. 1945RUnot in their usual nameRussian physicist
• Alexei Navalnyb. 1976RUnot in their usual nameRussian jurist and opposition leader (1976-2024)
• Alex Sparrowb. 1988RUnot in their usual nameRussian singer and actor

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 · 195 rows in the corpus for this spelling.

Frequently asked questions

How common is the name Aleksei?

We estimate roughly 1.0 million people bear Aleksei (counting its spellings and scripts) across 11 countries in our records.

In which country does Aleksei have the most bearers?

Aleksei is most frequently recorded in Russia, where it is most often spelled алексей.

How common is Aleksei compared with other names?

In Russia, Aleksei is the 5th most common given name of 418,751 given names recorded there.

Is Aleksei a male or female name?

Aleksei 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 Aleksei mean?

Recorded meaning: From Greek: ‘defender’.