Sergey Viktorovich Kolokolov (Russian: ?????´? ??´???????? ??´???????; 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.