Sergey Kudrin (born September 7, 1959) is a Soviet-American chess Grandmaster.

He achieved his Grandmaster title in 1984 going on to win chess tournaments at Copenhagen in 1983, and Beer-Sheva in 1984, and Torremolinos in 1985.

He played in the 2005 Chess World Cup at Khanty-Mansiysk, Russia seeded 102nd, the 1999 Las Vegas FIDE Chess World Championship seeded 70th, and the 2004 FIDE World Chess Championship held in Tripoli, Libya, where he was seeded 92nd.

Kudrin often has encouraged chess activities such as recruiting GM Boris Spassky to join the Western States Open in 2004 and 2005.

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