Nikolai Nikolayevich Sidelnikov (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. He taught at the Moscow Conservatory where he was a professor from 1981. 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. His works include operas: a ballet: and also: 6 symphonies, an oratorio, cantatas, choral, chamber and vocal music.