Swimming at the 2008 Summer Olympics – Men's 100 metre breaststroke Heats Heats

| Heat | Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 8 | 3 | Mark Gangloff | United States | 1:00.71 |
| 6 | 5 | Vladislav Polyakov | Kazakhstan | 1:00.80 |
| 4 | 4 | Hunor Mate | Austria | 1:00.93 |
| 8 | 8 | Richárd Bodor | Hungary | 1:00.97 |
| 5 | 5 | Mike Brown | Canada | 1:00.98 |
| 8 | 6 | Glenn Snyders | New Zealand | 1:00.98 |
| 7 | 1 | Felipe França Silva | Brazil | 1:01.04 |
| 7 | 2 | Henrique Barbosa | Brazil | 1:01.11 |
| 6 | 7 | Matjaž Markič | Slovenia | 1:01.31 |
| 7 | 8 | Dániel Gyurta | Hungary | 1:01.31 |
| 9 | 8 | Thijs van Valkengoed | Netherlands | 1:01.32 |
| 9 | 1 | Kristopher Gilchrist | Great Britain | 1:01.34 |
| 6 | 1 | Mathieu Bois | Canada | 1:01.45 |
| 6 | 6 | Jiří Jedlička | Czech Republic | 1:01.56 |
| 5 | 2 | Andrew Bree | Ireland | 1:01.76 |
| 5 | 1 | Valentin Preda | Romania | 1:01.77 |