The women's +78 kg (also known as heavyweight) tournament in the judo at the 2008 Summer Olympics was held on August 15 at the Beijing Science and Technology University Gymnasium.

A total of 21 women competed in this event, limited to jūdōka with a body weight of more than 78 kilograms.

This event was the heaviest of the women's judo weight classes, allowing competitors with over 78 kilograms of body mass.

The tournament bracket consisted of a single-elimination contest culminating in a gold medal match.

The two judokas who lost in the semifinals faced the winner of the opposite half of the bracket's repechage in bronze medal bouts.