Nikolai Nikolayevich Sidelnikov (Russian: Никола́й Никола́евич Сиде́льников; June 5, 1930, Tver – June 20, 1992) was a Russian Soviet composer.
Sidelnikov studied with E. O. Messner and Yuri Shaporin at the Moscow Conservatory.
Among his pupils were Audronė Žigaitytė, Vyacheslav Artemov, Eduard Artemyev, Dmitri Smirnov, Vladimir Tarnopolsky, Vladimir Martynov, Anton Rovner, Sergey Pavlenko, Ivan Glebovich Sokolov and Vladimir Bitkin.
See: List of music students by teacher: R to S#Nikolai Sidelnikov.
His works include operas: a ballet: and also: 6 symphonies, an oratorio, cantatas, choral, chamber and vocal music.