| Birth Date: | 1945 2, df=y |
| Birth Place: | Simferopol, Russian SFSR, Soviet Union |
| Height: | 1.78m (05.84feet) |
| Weight: | 74kg (163lb) |
| Sport: | Cycling |
| Club: | Dynamo Minsk |
| Show-Medals: | yes |
Viktor Nikolayevich Bykov (Russian: Виктор Николаевич Быков; born 19 February 1945) is a retired Soviet cyclist from Ukraine. He competed at the 1968 and 1972 Summer Olympics in the 4 km team pursuit and finished in fourth and fifth place, respectively. He was part of the Soviet teams that won the team pursuit at the 1967 and 1969 UCI Track Cycling World Championships. Between 1965 and 1971 he won six national titles in the 4 km individual and team pursuit.