| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Antani Ivanov | 200 S Fly | Prelims | 1:52.38 |
| 2 | Petar Mitsin | 200 S Free | Prelims | 1:43.48 |
| 3 | Petar Mitsin | 200 S Free | Prelims | 1:43.76 |
| 4 | Kaloyan Bratanov | 200 S IM | Prelims | 1:54.50 |
| 5 | Petar Mitsin | 200 S Free | Finals | 1:44.31 |
| 6 | Deny Nankov | 100 S Free | Prelims | 47.30 |
| 7 | Tonislav Sabev | 100 S Breast | Prelims | 58.58 |
| 8 | Yordan Yanchev | 400 S Free | Prelims | 3:45.70 |
| 9 | Josif Miladinov | 50 S Fly | Prelims | 23.17 |
| 10 | Deny Nankov | 100 S Free | Prelims | 47.81 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Bulgaria (A) | 800 S Free Relay | Prelims | |
| 2 | Bulgaria (A) | 800 S Free Relay | Finals | |
| 3 | Bulgaria (A) | 400 S Free Relay | Prelims | |
| 4 | Bulgaria (A) | 200 S Free Relay | Prelims | |
| 5 | Bulgaria (A) | 400 S Medley Relay | Prelims | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Petar Mitsin | 0 | 0 | 0 | – | 882.0 |
| 2 | Kaloyan Bratanov | 0 | 0 | 0 | – | 878.0 |
| 3 | Antani Ivanov | 0 | 0 | 0 | – | 841.5 |
| 4 | Tonislav Sabev | 0 | 0 | 0 | – | 840.0 |
| 5 | Deniel Nankov | 0 | 0 | 0 | – | 819.3 |
