Swimming at the 2001 World Aquatics Championships – Women's 50 metre breaststroke

The women's 50 metre breaststroke event at the 2001 World Aquatics Championships took place 27 July. The heats and semifinals took place 26 July, with the final being held on 27 July.

Records
Prior to the competition, the existing world and championship records were as follows: The following record was established during the competition: