Sergey Viktorovich Kolokolov (Russian: Серге́й Ви́кторович Ко́локолов; 11 April 1962 – 25 September 2008) was a Soviet flatwater canoer who competed in the early 1980s. He won five medals at the ICF Canoe Sprint World Championships with two golds (K-4 500 m: 1982, K-4 10000 m: 1981), two silvers (K-4 500 m: 1983, K-4 1000 m: 1981), and a bronze (K-4 1000 m: 1983). He later studied engineering at Kherson State University. He died at Kherson on 25 September 2008.