Sergei Nikolayevich Revin (born January 12, 1966 in Moscow) is a Russian cosmonaut that was selected in 1996, and completed spaceflight training in 1998. Revin may serve as a backup crewmember for Flight Engineer Oleg Skripochka on the Expedition 22 crew bound for the International Space Station. Revin is married to Irina Setyanova, and has one child, Yaroslava S. Revin, who was born in 2000. He graduated from the Moscow Institute of Electronic Technology in 1989.