The women's 100 metre butterfly event at the 2024 World Aquatics Swimming Championships (25 m) was held from 13 to 14 December 2024 at the Duna Arena in Budapest, Hungary.
Records.
Prior to the competition, the existing world and championship records were as follows:
The following records were established during the competition:
Results.
Heats.
The heats were started on 13 December at 10:01.
Semifinals.
The semifinals were started on 13 December at 18:20.
Final.
The final was held on 14 December at 17:32.