Sergey Korsakov may refer to:
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Sergei Korsakoff
Sergei Sergeyevich Korsakov (russian: Серге́й Серге́евич Ко́рсаков; 22 January 1854, Gus-Khrustalny – 1 May 1900, Moscow) was a Russian neuropsychiatrist, known for his studies on alcoholic psychosis. His name is lent t ...
(1854–1900), Russian neuropsychiatrist
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Sergey Korsakov (cosmonaut) (born 1984), Russian cosmonaut
{{hndis, Korsakov, Sergey