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

| Rank_ | Athlete | Country | Time_ | Notes |
|---|---|---|---|---|
| 1 | Ondřej Synek | Czech Republic | 7:03.57 | FA |
| 2 | Alan Campbell | Great Britain | 7:05.24 | FA |
| 3 | Mahé Drysdale | New Zealand | 7:05.57 | FA |
| 4 | Ioannis Christou | Greece | 7:06.02 | FB |
| 5 | Ken Jurkowski | United States | 7:11.52 | FB |
| 6 | Mindaugas Griskonis | Lithuania | 7:20.32 | FB |