Sergey Yakovlevich Nikitin[a] (born 8 March 1944) is a prominent Soviet and Russian bard, composer, and biophysicist.

He performs both solo and in a duet with his wife, Tatyana Nikitina all over Russia, the former Soviet republics, and other countries with significant Russian-speaking diaspora.

In 1963, he founded an all-male quartet in the Department of Physics at Moscow State University, together with Sergey Smirnov, Boris Geller, Aleksei Monakhov, and later Vadim Khait.

[1] From 1968 to 1977, he appeared at numerous concerts, together with other members of his quintet, including his wife, Tatyana Nikitina, Carmen Santacreu, Vladimir Ulin, and Nikolai Turkin.

[2] Sergei and his wife Tatyana are very close friends of Grigory Luchansky [ru; uk; de] and, beginning in 2002, the three of them provided funding to improve the Smolensk Special School for the Blind and Visually Impaired Children (Russian: Смоленская специальная школа для слепых и слабовидящих детей)[3] The waltz by Nikitin "Aleksandra" is similar to the famous Loca de Amor by Rodolfo Biagi.