The Men's 50 metre breaststroke competition of the 2020 European Aquatics Championships was held on 21 and 22 May 2021.

[1][2] Prior the competition, the existing world, European and championship records were as follows.

The heats were started on 21 May 2021 at 10:17.

[3] The semifinals were held on 21 May at 18:57.

[4] The final was held on 22 May 2021 at 18:18.