Sergey Chudinov (born June 8, 1983) is a Russian skeleton racer who has competed since 2003. His best result is a victory at Lake Placid during the 2010/11 season on 17th December 2010; he also has other 3 podium finishes.
Chudinov's best finish at the FIBT World Championships was 12th in the men's event at Lake Placid, New York in 2009. He qualified for the 2010 Winter Olympics where he finished 12th.