| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Shane Ryan | 50 S Back | Finals | 22.76 |
| 2 | Shane Ryan | 50 S Back | Semifinals | 22.96 |
| 3 | Shane Ryan | 50 S Back | Prelims | 23.03 |
| 4 | Brendan Hyland | 200 S Fly | Prelims | 1:53.19 |
| 5 | Shane Ryan | 100 S Free | Semifinals | 46.93 |
| 6 | Shane Ryan | 100 S Free | Prelims | 46.97 |
| 7 | Darragh Greene | 100 S Breast | Prelims | 58.91 |
| 8 | Darragh Greene | 200 S Breast | Prelims | 2:07.60 |
| 9 | Conor Ferguson | 100 S Back | Prelims | 52.04 |
| 10 | Conor Ferguson | 100 S Back | Prelims | 52.18 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Swim Ireland | 400 S Medley Relay | Prelims | |
| 2 | Swim Ireland | 200 S Medley Relay | Prelims | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Shane Ryan | 0 | 0 | 1 | – | 904.0 |
| 2 | Brendan Hyland | 0 | 0 | 0 | – | 847.0 |
| 3 | Darragh Greene | 0 | 0 | 0 | – | 820.7 |
| 4 | Conor Ferguson | 0 | 0 | 0 | – | 808.3 |
