| Name | Event | Round | Place | Time | Imp | FINA | |
|---|---|---|---|---|---|---|---|
| 1 | Kaloyan Levterov | 100 S Back | Prelims | 32nd | 53.21 | +2.2% | 749 |
| 2 | Kaloyan Levterov | 200 S Back | Prelims | 23rd | 1:55.26 | +0.9% | 770 |
| 3 | Lyubomir Epitropov | 100 S Breast | Prelims | 19th | 58.27 | – | 857 |
| 4 | Lyubomir Epitropov | 200 S Breast | Prelims | 15th | 2:06.44 | – | 858 |
| 5 | Antani Ivanov | 200 S Fly | Finals | 6th | 1:51.62 | +0.2% | 912 |
| 6 | Kaloyan Bratanov | 100 S Free | Prelims | 36th | 48.62 | – | 790 |
| 7 | Kaloyan Bratanov | 200 S IM | Prelims | 17th | 1:56.28 | – | 838 |
