2018 Pan Pacific Swimming Championships – Women's 100 metre freestyle

The women's 100 metre freestyle competition at the 2018 Pan Pacific Swimming Championships took place on August 10 at the Tokyo Tatsumi International Swimming Center. The defending champion was Cate Campbell of Australia.

2018 Pan Pacific Swimming Championships – Women's 100 metre freestyle

The women's 100 metre freestyle competition at the 2018 Pan Pacific Swimming Championships took place on August 10 at the Tokyo Tatsumi International Swimming Center. The defending champion was Cate Campbell of Australia.