Rowing at the 2008 Summer Olympics – Men's quadruple sculls Semifinal A/B 2 Semifinal A/B 2

| Rank_ | Rowers | Country | Time_ | Notes |
|---|---|---|---|---|
| 1 | Agamennoni , Venier , Galtarossa , Raineri | Italy | 5:51.20 | FA |
| 2 | Hughes , Stitt , Schroeder , Gault | United States | 5:52.81 | FA |
| 3 | Coeffic , Peltier , Bahain , Berrest | France | 5:53.04 | FA |
| 4 | Taimsoo , Latin , Kuzmin , Raja | Estonia | 5:54.57 | FB |
| 5 | Gryn , Pavlovskyi , Lykov , Biloushchenko | Ukraine | 6:03.71 | FB |
| 6 | Cascaret , Concepcion , Fournier , Hernandez | Cuba | 6:04.99 | FB |