Swimming at the 2023 World Aquatics Championships – Women's 100 metre freestyle

The women's 100 metre freestyle competition at the 2023 World Aquatics Championships was held on 27 and 28 July 2023.

Records
Prior to the competition, the existing world and championship records were as follows.

Heats
The heats were started on 27 July at 10:32.

Swim-off
The swim-off to determine the first reserve was held on 27 July at 12:05.

Semifinals
The semifinals were held on 27 July at 20:11.

Final
The final was started on 28 July at 20:02.