Ivan Demidov (Russian: Ива́н Деми́дов, IPA: [ɪˈvan dʲɪˈmʲidəf]; born 1981) is a professional poker player from Moscow, Russia.

Demidov is one of the original "November Nine", having made the final table of the World Series of Poker (WSOP) Main Event in 2008.

[3] In October 2008, he reached the final table of the World Series of Poker Europe Main Event in London, finishing in third place.

In doing so, he became the first player in history to reach the final table of both WSOP Main Events in the same year.

The vast majority of his poker earnings come from his strong runner-up performance in the Main Event in 2008.