Nikolay Aleksandrovich Sidorov (; born 23 November 1956) is a former Soviet track and field athlete who won the Soviet 100 metre championships on two occasions. He was then the winner of the gold medal in the 4 × 100 m relay at the 1980 Summer Olympics.
At the Moscow Olympics, Sidorov was eliminated in the semifinal of the 200 m and ran the second leg in the gold medal-winning Soviet 4 × 100 m relay team. At the 1982 European Championships, Sidorov was fifth in the 100 m and won the gold medal as a member of the Soviet 4 × 100 m relay team. He also participated in the first World Championships, where he was eliminated in the heats of the 100 m and won the bronze medal as a member of the Soviet 4 × 100 m relay team.
International competitions
{|
|-
|1980
|Olympic Games
|Moscow, Soviet Union
|bgcolor=gold|1st
|4 × 100 m relay
|38.26 s
|-
|1982
|European Championships
|Athens, Greece
|bgcolor=gold|1st
|4 × 100 m relay
|38.60 s
|-
|1983
|World Championships
|Helsinki, Finland
|bgcolor=cc9966|3rd
|4 × 100 m relay
|38.41 s
|-
|1984
|Friendship Games
|Moscow, Soviet Union
|bgcolor="gold" | 1st
|4 × 100 m relay
|38.32 s
|}