Sergei Nikiforovich Vasilenko (Russian: ?????´? ??????????? ?????????, Sergej Nikiforovic Vasilenko; 30 March 1872 [O.S.
18 March] – 11 March 1956) was a Russian and Soviet composer and music teacher whose compositions showed a strong tendency towards mysticism.
Vasilenko was born in Moscow and originally studied Law at Moscow University, but then changed direction and studied at the Moscow Conservatory from 1896 to 1901 as a pupil of Sergei Taneyev and Mikhail Ippolitov-Ivanov.
From 1903 to 1904 he was the conductor of a private opera house in Moscow.
For several years he was the organiser and conductor of the Historic Concerts of the Russian Musical Society.
He then became a Professor at the Moscow Conservatory, where his students included Aram Khachaturian, Nikolai Roslavets, Nikolai Rakov and Aarre Merikanto.
See: List of music students by teacher: T to Z#Sergei Vasilenko.
Vasilenko was awarded the Order of the Red Banner as well as the title "Merited Worker of Arts".