Swimming at the 2018 Commonwealth Games – Men's 100 metre breaststroke
The men's 100 metre breaststroke event at the 2018 Commonwealth Games was held on 6 and 7 April at the Gold Coast Aquatic Centre.Records
Prior to this competition, the existing world, Commonwealth and Games records were as follows:
The following records were established during the competition:
Results
Heats
The heats were held on 6 April at 11:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | 4 | | | 59.14 | Q |
| 2 | 2 | 5 | | | 59.80 | Q |
| 3 | 2 | 4 | | | 1:00.20 | Q |
| 4 | 3 | 5 | | | 1:00.29 | Q |
| 4 | 4 | 3 | | | 1:00.29 | Q |
| 6 | 3 | 4 | | | 1:00.92 | Q |
| 7 | 2 | 3 | | | 1:01.13 | Q |
| 8 | 4 | 5 | | | 1:01.63 | Q |
| 9 | 2 | 6 | | | 1:01.66 | Q |
| 10 | 4 | 6 | | | 1:01.77 | Q |
| 11 | 3 | 3 | | | 1:02.17 | Q |
| 12 | 4 | 2 | | | 1:02.61 | Q |
| 13 | 3 | 2 | | | 1:04.25 | Q |
| 14 | 3 | 7 | | | 1:04.88 | Q |
| 15 | 2 | 2 | | | 1:05.46 | Q |
| 16 | 4 | 7 | | | 1:05.83 | Q |
| 17 | 1 | 5 | | | 1:06.25 | |
| 18 | 3 | 1 | | | 1:06.49 | |
| 19 | 2 | 8 | | | 1:07.29 | |
| 20 | 3 | 8 | | | 1:07.51 | |
| 21 | 4 | 1 | | | 1:07.92 | |
| 22 | 2 | 1 | | | 1:08.11 | |
| 23 | 4 | 8 | | | 1:08.36 | |
| 24 | 2 | 7 | | | 1:08.59 | |
| 25 | 1 | 3 | | | 1:09.17 | |
| 26 | 1 | 4 | | | 1:09.55 | |
| 27 | 1 | 6 | | | 1:11.60 | |
| 28 | 1 | 7 | | | 1:22.77 | |
| 29 | 1 | 2 | | | 1:31.57 | |
| 3 | 6 | | | DSQ | |
Semifinals
The semifinals were held on 6 April at 20:32.Semifinal 1
Semifinal 2
Final
The final was held on 7 April at 19:48.
| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | | | 58.84 | |
| 5 | | | 59.43 | |
| 3 | | | 59.44 | |
| 4 | 2 | | | 59.70 | |
| 5 | 7 | | | 59.89 | |
| 6 | 1 | | | 1:00.42 | |
| 7 | 6 | | | 1:00.48 | |
| 8 | 8 | | | 1:01.13 | |
