Sergey Vasilyevich Fesikov (Russian: Серге́й Васильевич Фесиков; born 21 January 1989) is a Russian professional swimmer. He was part of the Russian 4 × 100 m freestyle relay teams that finished in ninth and third place at the 2008 and 2012 Olympics, respectively.^[1]

In spring 2020, Fesikov signed for the Toronto Titans, the first Canadian based team in the ISL.

2018: Fesikov took home two silver medals from the 2018 FINA World Swimming Championships in Hangzhou, China, as part of the men's freestyle relay team, one in 4 x 50 m and the other in the 4 x 100 m.

2014: At the 2014 FINA World Swimming Championships in Doha, Fesikov took home two medals. He won gold in the 4 x 50 m freestyle relay and Silver in the 4 x 100 m freestyle relay.

2012: In 2012, at the London Olympic Games, Fesikov helped the Russian team take the podium with bronze for Russia, in the 4 x 100 m freestyle relay.

2010: At the 2010 FINA World Swimming Championships in Dubai, UAE, Fesikov took home three medals: two Silver medals, as part of the men's relay team, in the 4 x 100 m freestyle event and the 4 x 100 m medley event. He also took the bronze in the individual 100 m medley event.

Fesikov's parents are former competitive volleyball players. In the 2000s, his father, a renowned volleyball coach, received various job offers in Yaroslavl and Obninsk and moved his family there from Saint Petersburg. In 2010, Fesikov graduated from the Yaroslavl State University with a degree in social studies.^[2] In August 2013 he married Anastasia Zuyeva, an Olympic swimmer who also competed at the 2008 and 2012 Games.^[3]

• List of Russian records in swimming

• Sergey Fesikov at World Aquatics
• Sergey Fesikov at the International Swimming League
• Sergey Fesikov at Swimrankings.net
• Sergey Fesikov at Olympedia
• Sergey Fesikov at Olympics.com