Swimming at the 2011 World Aquatics Championships – Women's 50 metre freestyle

The women's 50 metre freestyle competition of the swimming events at the 2011 World Aquatics Championships was held on July 30 with the heats and the semifinals and July 31 with the final.

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

Heats
87 swimmers participated in 12 heats.

Semifinals
The semifinals were held at 18:57.

Final
The final was held at 18:20.