Swimming at the 2016 Summer Paralympics – Men's 100 metre breaststroke SB13
The Men's 100 metre breaststroke SB13 event at the 2016 Paralympic Games took place on 11 September 2016, at the Olympic Aquatics Stadium. Two heats were held. The swimmers with the eight fastest times advanced to the final.Heats
10:14 11 September 2016:
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | | | 1:05.38 | ' |
| 2 | 5 | | | 1:09.17 | ' |
| 3 | 6 | | | 1:14.32 | |
| 4 | 3 | | | 1:14.62 | |
| 5 | 2 | | | 1:15.69 | |
Heat 2
10:18 11 September 2016:
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | | | 1:04.98 | ' |
| 2 | 5 | | | 1:06.79 | ' |
| 3 | 3 | | | 1:12.85 | ' |
| 4 | 6 | | | 1:13.08 | ' |
| 5 | 7 | | | 1:14.25 | |
| 6 | 2 | | | 1:14.39 | |
Final
18:02 11 September 2016:
| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | | | 1:04.94 | |
| 5 | | | 1:04.94 | |
| 3 | | | 1:06.71 | |
| 4 | 6 | | | 1:08.70 | |
| 5 | 2 | | | 1:13.58 | |
| 6 | 1 | | | 1:13.68 | |
| 7 | 8 | | | 1:13.85 | |
| 8 | 7 | | | 1:13.95 | |
