2012 FINA World Swimming Championships (25 m) – Women's 100 metre freestyle

The women's 100 metre freestyle event at the 11th FINA World Swimming Championships (25m) took place 13 – 14 December 2012 at the Sinan Erdem Dome.

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

No new records were set during this competition.

Semifinals

 * Rūta Meilutytė of Lithuania withdrew because of too tight schedule.

Final
The final was held at 19:09.