The women's high jump event at the 2020 Summer Olympics took place on 5 and 7 August 2021 at the Japan National Stadium. Even though 32 athletes qualified through the qualification system for the Games, only 31 took part in the competition. This was the 22nd appearance of the event, having appeared at every Olympics since women's athletics was introduced in 1928.

Mariya Aleksandrovna Lasitskene is a Russian athlete who specialises in the high jump. She is the 2020 Olympic champion and three-time world champion. With her victory in Tokyo, Lasitskene became the fourth female high jumper in history to win gold at both the Olympic Games and the World Championships.