The women 49er FX was a sailing event at the 2020 Summer Olympics and took place between 27 July and 3 August.

[1] The defending champions, Martine Grael and Kahena Kunze from Brazil, won the event.

Tina Lutz and Susann Beucke from Germany were the second, and Annemiek Bekkering and Annette Duetz from the Netherlands won the bronze medal.

The medal race was originally scheduled for 2 August, but had to be postponed due to the lack of wind.

The medals were presented by IOC Member for Spain, Mr Juan Antonio Samaranch Jnr.