List of Famous people named Sergei

Sergei Viktorovich Zalyotin is a Russian cosmonaut and a veteran of two space missions.

Sergei Sergeievich Korsakoff was a Russian neuropsychiatrist, known for his studies on alcoholic psychosis. His name is lent to the eponymous Korsakoff's syndrome and Wernicke–Korsakoff syndrome.

Sergei Dmitriyevich Davydov is a former competitive figure skater who represented Belarus and Russia. For Belarus, he is the 2006 Cup of China silver medalist, two-time Nebelhorn Trophy champion, and eight-time (2001–2008) Belarusian national champion. He competed at two Olympics and placed as high as 7th at the World Championships (2003) and 4th at the European Championships (2007). For Russia, he is the 1998 World Junior silver medalist. After retirement from the competitive figure skating Davydov became a coach.

Sergei Vladimirovich Dobrin is a Russian former competitive figure skater. He is the 2005 World Junior bronze medalist and a two-time ISU Junior Grand Prix Final silver medalist. On the senior level, he won bronze medals at the 2006 Trophée Éric Bompard, 2006 Finlandia Trophy, and two Russian Championships.

Sergei Vladimirovich Makhlai, a.k.a. George Mack is a Russian businessman and majority shareholder of TogliattiAzot, one of the world's largest producers of ammonia, chairman of the board of directors of TogliattiAzot in 2012–2017.

Sergei Ivanovich Mosin was a Russian Major General, engineer, and the main contributor to the design of the 3-line rifle, Model 1891, colloquially known as Mosin–Nagant.