The women's freestyle 55 kilograms is a competition featured at the 2021 World Wrestling Championships, and was held in Oslo, Norway on 4 and 5 October.

[1] This freestyle wrestling competition consists of a single-elimination tournament, with a repechage used to determine the winner of two bronze medals.

Each wrestler who loses to one of the two finalists moves into the repechage, culminating in a pair of bronze medal matches featuring the semifinal losers each facing the remaining repechage opponent from their half of the bracket.

Each bout consists of a single round within a six-minute limit including two halves of three minutes.

Oleksandra Khomenets of Ukraine and Jenna Burkert from the United States shared the bronze medals.