Rowing at the 2008 Summer Olympics – Men's lightweight double sculls Semifinal A/B 1 Semifinal A/B 1

| Rank_ | Rowers | Country | Time_ | Notes |
|---|---|---|---|---|
| 1 | Zac Purchase , Mark Hunter | Great Britain | 6:29.56 | FA |
| 2 | Marcello Miani , Elia Luini | Italy | 6:31.16 | FA |
| 3 | Eyder Batista , Yunior Perez | Cuba | 6:33.60 | FA |
| 4 | Jonathan Koch , Manuel Brehmer | Germany | 6:37.07 | FB |
| 5 | Maxime Goisset , Frederic Dufour | France | 6:41.18 | FB |
| 6 | Douglas Vandor , Cameron Sylvester | Canada | 6:49.28 | FB |