The women's 100 metre freestyle event in swimming at the 2013 World Aquatics Championships took place on 1–2 August at the Palau Sant Jordi in Barcelona, Spain.

[1][2] Prior to this competition, the existing world and championship records were: The heats were held a 10:00.

[5] The semifinals were held at 18:02.

[6] The final was held at 18:02.

[7]