2018 African Swimming Championships – Men's 100 metre breaststroke

The Men's 100 metre breaststroke competition of the 2018 African Swimming Championships was held on 10 September 2018.

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

The following new records were set during this competition.

Heats
The heats were started on 10 September at 11:30.

Final
The final was started on 10 September.