The finals and the qualifying heats of the men's 100 metres butterfly event at the 1997 FINA Short Course World Championships were held on the first day of the competition, on Thursday 17 April 1997 in Gothenburg, Sweden.
| RANK | FINAL A | TIME | |
|---|---|---|---|
| 51.95 | |||
| 51.99 | |||
| 52.02 | |||
| 4. | 52.22 | ||
| 5. | 52.63 | ||
| 6. | 52.64 | ||
| 7. | 52.71 | ||
| 8. | 52.74 |
| RANK | FINAL B | TIME | |
|---|---|---|---|
| 9. | 52.48 | ||
| 10. | 52.80 | ||
| 11. | 53.12 | ||
| 12. | 53.19 | ||
| 13. | 53.29 | ||
| 14. | 53.41 | ||
| 15. | 53.72 | ||
| 16. | 53.83 |