The FIDE Women's Grand Swiss Tournament 2021 was a chess tournament that formed part of the qualification cycle for the Women's World Chess Championship 2022. It was an 11-round Swiss-system tournament, with 50 players competing, ran from 27 October to 7 November 2021 in Riga, Latvia, in parallel with the FIDE Grand Swiss Tournament 2021. It was the first FIDE Women's Grand Swiss Tournament.
The top finisher who had not already qualified qualified for the Women's Candidates Tournament 2022.
The following 50 players were invited:
In August 2021, FIDE announced the 40 top players by rating, as well as 20 reserves.
The top four qualifiers by rating declined their invitations, including Aleksandra Goryachkina, Koneru Humpy and Ju Wenjun, who had no need to play, either through being Women's World Champion (Ju Wenjun), or having already qualified for the 2022 Women's Candidates Tournament. Goryachkina played in the Open Grand Swiss Tournament instead.