Athletics at the 2020 Summer Olympics – Women's 800 metres
The women's 800 metres event at the 2020 Summer Olympics took place from 30 July to 3 August 2021 at the Japan National Stadium. Approximately 50 athletes competed; the exact number was dependent on how many nations use universality places to enter athletes in addition to the 48 qualifying through time or ranking (3 universality places were used in 2016).