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

| Rank_ | Heat | Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|---|
| 28 | 5 | 5 | Balázs Makány | Hungary | 49.27 |
| 28 | 5 | 7 | Paulius Viktoravicius | Lithuania | 49.27 |
| 30 | 8 | 7 | Ryk Neethling | South Africa | 49.28 |
| 31 | 4 | 6 | Peter Mankoč | Slovenia | 49.33 |
| 32 | 6 | 3 | Nabil Kebbab | Algeria | 49.38 |
| 33 | 9 | 2 | Steffen Deibler | Germany | 49.39 |
| 34 | 7 | 2 | Duje Draganja | Croatia | 49.49 |
| 35 | 6 | 2 | José Meolans | Argentina | 49.50 |
| 36 | 5 | 1 | Shaune Fraser | Cayman Islands | 49.56 |
| 36 | 6 | 7 | Yuriy Yegoshin | Ukraine | 49.56 |
| 38 | 6 | 4 | Mitja Zastrow | Netherlands | 49.61 |
| 39 | 4 | 1 | Ryan Pini | Papua New Guinea | 49.72 |
| 40 | 6 | 6 | Hisayoshi Sato | Japan | 49.85 |
| 41 | 4 | 3 | Matti Rajakylä | Finland | 49.91 |