Sergei

Sergei is a masculine given name of Russian origin that is the Slavic form of the Latin Sergius. The exact meaning of Sergius is uncertain, but the name has historically been associated with service or guardianship in various interpretations. The name has been widely used in Russia and other countries of the former Soviet Union and in regions of Eastern Europe.

Variants and transliterations include Sergey, Sergei, Serge, and Sergio. In Ukrainian the form Serhiy; in Belarusian Syarhei; diminutives in Russian include Seryozha and Serezha. The name's popularity in different languages has led to many cultural forms, including the English Serge, the Italian/Spanish Sergio, and the given name Serge in French contexts.

Notable people named Sergei or Sergey include Sergey Brin, co-founder of Google; Sergei Lavrov, Russian foreign minister; Sergei Prokofiev, composer; Sergei Rachmaninoff, composer; Sergei Eisenstein, film director; Sergei Bubka, pole vaulter; Sergei Parajanov, filmmaker.