The Women's Chess World Cup 2021 was a 103-player single-elimination chess tournament, the first edition of Women's Chess World Cup, that took place in Sochi, Russia, from 12 July to 3 August 2021. It was the inaugural edition of a women's-only version of the FIDE World Cup. The tournament was held in parallel with the Chess World Cup 2021, an open tournament.

The Chess World Cup 2021 was a 206-player single-elimination chess tournament that took place in Sochi, Russia, beginning 12 July and ending 6 August 2021. It was the 9th edition of the Chess World Cup. The winner of this tournament was the Polish grandmaster Jan-Krzysztof Duda, who won without losing any games either in classical chess or in the rapid tiebreakers.