Swimming at the 2012 European Aquatics Championships – Men's 100 metre breaststroke

The men's 100 metre breaststroke competition of the swimming events at the 2012 European Aquatics Championships took place May 21 and 22. The heats and semifinals took place on May 21, the final on May 22.

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

Heats
59 swimmers participated in 8 heats.

Semifinals
The eight fastest riders advanced to the final.

Final
The final was held at 17:29.