Ivan Demidov is a professional poker player from Moscow, Russia. Demidov is one of the 'November Nine', having made the final table of the World Series of Poker (WSOP) Main Event in 2008. He reached the heads-up stage along with Peter Eastgate, and took second place for $5,809,595.
In October 2008 he also reached the final table of the WSOP Europe Main Event in London, finishing in 3rd place. In doing so he became the only player in history to reach the final table of both Main Events.