The women's 100 metre freestyle competition at the 2024 World Aquatics Championships was held on 15 and 16 February 2024.

[1][2] Prior to the competition, the existing world and championship records were as follows.

[3] The heats were started on 15 February at 09:32.

[4] The semifinals were held on 15 February at 19:11.

[5] The final was held on 16 February at 19:02.