The women's uneven bars event at the 2020 Summer Olympics was held on 25 July and 1 August 2021 at the Ariake Gymnastics Centre.

Two-time defending champion Aliya Mustafina of Russia retired prior to the 2020 Summer Olympics.

[3] A National Olympic Committee (NOC) could enter up to 6 qualified gymnasts: a team of 4 and up to 2 specialists.

The top three teams at the 2018 World Artistic Gymnastics Championships (the United States, Russia, and China) and the top nine teams (excluding those already qualified) at the 2019 World Artistic Gymnastics Championships (France, Canada, the Netherlands, Great Britain, Italy, Germany, Belgium, Japan, and Spain) earned team qualification places.

The top 8 qualifiers in the qualification phase (limit two per NOC) advanced to the apparatus final.