Swimming at the 2017 Summer Universiade – Men's 100 metre breaststroke

The Men's 100 metre breaststroke competition at the 2017 Summer Universiade was held on 20 and 21 August 2017.

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

Heats
The heats were held on 20 August at 10:28.

Semifinals
The semifinals were held on 20 August at 19:41.

Final
The final was held on 21 August at 19:34.