Sergey Anatolyevich Kuryokhin was a Russian composer, pianist, music director, experimental artist, film actor and writer, based in St. Petersburg, Russia. He was an influential figure in the Saint Petersburg music scene of the 1980s and early 1990s. He was the former keyboardist for the rock band Aquarium.

Aquarium or Akvarium is a Russian rock group formed in Leningrad in 1972. The band is considered one of the founders of Russian rock. Aquarium has had many line-up changes over its history, and lead singer and founder Boris Grebenshchikov is the only remaining original member. Former band members include Anatoly Gunitsky, Mikhail Feinstein, Andrei "Dyusha" Romanov, Vsevolod Gakkel, and Sergey Kuryokhin.