| Sergey Vladimirovich Korsakov | |
| Type: | Roscosmos cosmonaut |
| Nationality: | Russian |
| Status: | Active |
| Birth Date: | 1 September 1984 |
| Birth Place: | Frunze, Kirghiz SSR, USSR |
| Occupation: | Test cosmonaut |
| Current Occupation: | Engineer |
| Space Time: | 194 days as of 7 August, 2023 |
| Selection: | TsPK-16 Cosmonaut Group |
| Missions: | Soyuz MS-21 (Expedition 66/67) |
Sergey Vladimirovich Korsakov (Russian Cyrillic: Сергей Владимирович Корсаков; born 1 September 1984 in Frunze, Kirghiz SSR) is a Russian cosmonaut selected by Roscosmos in 2012. He was scheduled to make his first flight into space in April 2021 as a flight engineer aboard Soyuz MS-18 ahead of a stay aboard the International Space Station; but was replaced on the crew by Mark Vande Hei in March of that year.[1] [2] He was then assigned to Soyuz MS-21, which launched successfully March 18, 2022.
Korsakov graduated with high honors from the Bauman Moscow State Technical University in 2006 with a degree in rocketry. After his selection as a cosmonaut in 2012, he was appointed as a test cosmonaut in 2014.