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

[1] The heats were started on 26 June at 11:06.

[2] The semifinals were started on 26 June at 18:41.

[3] The final was held on 27 June at 17:56.

[4]