Swimming at the 2020 European Aquatics Championships – Women's 100 metre breaststroke

The women's 100 metre breaststroke competition of the 2020 European Aquatics Championships was held on 18 and 19 May 2021.

Records
Before the competition, the existing world, European and championship records were as follows.

Heats
The heats were started on 18 May at 10:19.

Swim-off
The swim-off was held on 18 May at 11:19.

Semifinals
The semifinals were held on 18 May at 18:31.

Final
The final was held on 19 May at 18:25.