Swimming at the 2007 World Aquatics Championships – Men's 100 metre breaststroke Heats Heats

| Rank_ | Heat_Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 1 | H14-L5 | Kosuke Kitajima | Japan | 00: 59.96 |
| 2 | H15-L5 | Alexander Dale Oen | Norway | 1:00.34 |
| 3 | H16-L4 | Brendan Hansen | USA | 1:00.59 |
| 4 | H09-L4 | Giedrius Titenis | Lithuania | 1:00.92 |
| 5 | H14-L4 | Oleg Lisogor | Ukraine | 1:00.99 |
| 6 | H14-L3 | James Gibson | Great Britain | 1:01.03 |
| 7 | H14-L3 | Valeriy Dymo | Ukraine | 1:01.06 |
| 7 | H15-L4 | Brenton Rickard | Australia | 1:01.06 |
| 9 | H16-L3 | Hugues Duboscq | France | 1:01.08 |
| 10 | H12-L2 | Cameron van der Burgh | South Africa | 1:01.12 |
| 11 | H11-L4 | Mihail Alexandrov | Bulgaria | 1:01.15 |
| 12 | H16-L2 | Scott Usher | USA | 1:01.36 |
| 13 | H16-L6 | Chris Cook | Great Britain | 1:01.49 |
| 14 | H15-L7 | Alessandro Terrin | Italy | 1:01.61 |
| 15 | H14-L2 | Dmitry Komornikov | Russia | 1:01.66 |