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

| Heat | Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 5 | 8 | Viktar Vabishchevich | Belarus | 1:03.29 |
| 9 | 6 | Romanos Alyfantis | Greece | 1:03.39 |
| 3 | 5 | Alwin de Prins | Luxembourg | 1:03.64 |
| 3 | 4 | Sergio Andres Ferreyra | Argentina | 1:03.65 |
| 2 | 3 | Edgar Crespo | Panama | 1:03.72 |
| 2 | 4 | Sergiu Postica | Moldova | 1:03.83 |
| 3 | 8 | Andrei Cross | Barbados | 1:04.57 |
| 3 | 7 | Ivan Demyanenko | Uzbekistan | 1:05.14 |
| 2 | 6 | Wael Koubrousli | Lebanon | 1:06.22 |
| 2 | 5 | Nguyen Huu Viet | Vietnam | 1:06.36 |
| 2 | 2 | Erik Rajohnson | Madagascar | 1:08.42 |
| 2 | 7 | Boldbaataryn Bütekh-Uils | Mongolia | 1:10.80 |
| 1 | 4 | Osama Mohammed Ye Alarag | Qatar | 1:10.83 |
| 1 | 5 | Mohammed Al-Habsi | Oman | 1:12.28 |
| 1 | 3 | Petero Okotai | Cook Islands | 1:20.20 |
| 6 | 8 | Alessandro Terrin | Italy | DSQ |
| 4 | 1 | Mohammad Alirezaei | Iran | DNS |