Irina Borisivna Krush (Ukrainian: Ірина Борисівна Круш; born December 24, 1983) is an American chess Grandmaster.

Irina Krush was born into a Jewish family in Odesa, USSR (now Ukraine), and emigrated with her parents to Brooklyn in 1989.

She finished in joint fifth place having scored 7/13 points after five wins (including the one against the eventual winner, Fabiano Caruana), four draws and four losses.

[6][7] In 2013, she was awarded the Grandmaster title due to her results at the NYC Mayor's Cup International GM Tournament in 2001, Women's World Team Chess Championship 2013 and Baku Open 2013.

[16] Krush and her ex-husband, Canadian Grandmaster Pascal Charbonneau,[2] have played in the United Kingdom league for Guildford-ADC.

While quarantined, she played in the Isolated Queens Swiss, an online women's blitz chess tournament.

[23] On January 18, 2023, Krush appeared on a primetime special of The Price Is Right and won the Clock Game, but she failed to advance to the Showcases.