Nikolai Smirnov

Nikolai Smirnov may refer to:
 * Nikolai Ivanovich Smirnov (1917–1992), Soviet Navy Admiral, Hero of the Soviet Union
 * Nikolai Mikhailovich Smirnov, Governor of the Saint Petersburg Governorate, 1855–1861


 * Nikolai Smirnov (cinematographer), Soviet film cinematographer that shot Aerograd
 * Nikolai Smirnov (water polo) (born 1961), Soviet water polo player who participated in the 1988 Olympics
 * Nikolai Smirnov (mathematician) (1900–1966), Soviet mathematician
 * Nikolai Ivanovich Smirnov (?–?), head of the Office of the Secretariat of the Central Committee of the Russian Communist Party (Bolsheviks)