Swimming at the 2011 World Aquatics Championships – Women's 50 metre breaststroke
The women's 50 metre breaststroke 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.

Results

Heats
36 swimmers participated in 5 heats.

Semifinals
The semifinals were held at 18:16.

Semifinal 1

Semifinal 2

Final
The final was held at 18:02.