Sergey Valentinovich Zhilkin (; born October 30, 1959) is a Russian swimming coach, Master of Sport of the USSR, Honored Coach of Russia, and recipient of the Order of Friendship, Order of Honour, and the Medal of the Order "For Merit to the Fatherland" II class. He serves as Deputy Head of the Complex Scientific Group of the Russian national swimming team and as a coach at the Yunost Moskvy Sports School of Olympic Reserve. Biography. Sergey Valentinovich Zhilkin graduated from the State Central Order of Lenin Institute of Physical Culture (SCOLIPC) in 1984. He was awarded the title of Master of Sport of the USSR in 1983. After graduating, he worked for about 10 years at the Department of Swimming at SCOLIPC and was a member of the Complex Scientific Group (CSG) for the trade union sports schools of the RSFSR. In the 1990s, he worked with members of the national swimming teams of Vietnam and Malaysia. Since 1987, Zhilkin has been working as a swimming coach and instructor. He is currently a coach-instructor at the State Budgetary Institution of the City of Moscow "Physical Culture and Sports Association 'Yunost Moskvy' of the Department of Sports of the City of Moscow". He also serves as Deputy Head of the Complex Scientific Group of the Russian national swimming team. Since 2018, he has been coaching Daria Pikalova, silver medalist at the 2019 International Paralympic Committee World Championships. In 2025, Zhilkin began working with Kirill, a young swimmer from Cheboksary born without arms, who is preparing for the Paralympic Games. The athlete's parents bring him to Moscow for training every month despite financial challenges. Achievements and notable students. Among Sergei Valentinovich Zhilkin’s students are: