| Birth Date: | 25 February 1938 |
| Birth Place: | Saint Petersburg, Russia |
| Death Date: | 9 December 2010 (aged 72) |
| Sport: | Modern pentathlon |
| Club: | Dynamo |
| Show-Medals: | yes |
Vyacheslav Aleksandrovich Belov (Russian: Вячеслав Александрович Белов; 25 February 1938 – 9 December 2010) was a Soviet modern pentathlon competitor, who won two team medals at the world championships of 1969–70. A Colonel with the Soviet Militsiya, he took part in the cleanup operation after the Chernobyl disaster. He was married to the Russian Olympic fencer Elena Belova.