Sergey Andreyevich Kruglov (also Sergei Kruglov, Russian: Серге́й Андреевич Круглов; born 27 March 1985 in Khabarovsk) is a Russian sport shooter. In 2010, Kruglov had won a gold medal for the 10 m air rifle at the European Shooting Championships in Meråker, Norway, and eventually captured the bronze at the ISSF World Cup in Fort Benning, Georgia, United States. He is also a member of CSA Pomoriye and is coached and trained by Oleg Seleznev. In 2013 Sergey started working for the Russian National Team, doubling his efforts as a competitive shooter.