Swimming at the 2000 Summer Olympics – Men's 100 metre breaststroke Heats Heats

| Heat | Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 4 | 3 | Valērijs Kalmikovs | Latvia | 1:04.02 |
| 4 | 7 | Arsenio López | Puerto Rico | 1:04.02 |
| 3 | 1 | Vadim Tatarov | Moldova | 1:04.12 |
| 3 | 4 | Francisco Suriano | El Salvador | 1:04.31 |
| 5 | 6 | Alvaro Fortuny | Guatemala | 1:04.35 |
| 5 | 3 | Alwin de Prins | Luxembourg | 1:04.37 |
| 5 | 2 | Yang Shang-Hsuan | Chinese Taipei | 1:04.54 |
| 4 | 5 | Andrew Bree | Ireland | 1:04.58 |
| 4 | 2 | Nikola Savčić | Yugoslavia | 1:04.64 |
| 5 | 4 | Alfredo Jacobo | Mexico | 1:04.67 |
| 5 | 8 | Iván Rodríguez Mesa | Panama | 1:04.68 |
| 4 | 8 | Joe Kyong-Fan | South Korea | 1:04.71 |
| 5 | 7 | Aliaksandr Hukau | Belarus | 1:04.96 |
| 3 | 5 | Wickus Nienaber | Swaziland | 1:04.98 |
| 2 | 4 | Juan José Madrigal | Costa Rica | 1:05.14 |
| 3 | 2 | Jorg Lindemeier | Namibia | 1:05.25 |