Swimming at the 2015 European Games – Men's 100 metre butterfly

The men's 100 metre butterfly event at the 2015 European Games in Baku took place on 26 and 27 June at the Aquatic Palace.

Heats
The heats were started on 26 June at 10:41.

Semifinals
The semifinals were started on 26 June at 17:52.

Final
The final was held on 27 June at 18:50.