The Women's 50 metre freestyle competition of the swimming events at the 2015 World Aquatics Championships was held on 8 August with the heats and the semifinals and 9 August with the final.

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

The heats were held on 8 August at 09:30.

[2] The semifinals were held on 8 August at 18:28.

[3] The final was held on 9 August at 18:05.