Dream.1 Light Weight Grandprix 2008 1st Round was the inaugural event of the mixed martial arts promotion, DREAM. It took place on Saturday, on March 15, 2008 at the Saitama Super Arena in Saitama City, Japan.
The event featured the first seven tournament bouts of the 2008 DREAM Lightweight Grand Prix (70 kg/154 lbs), along with a trio of open-weight fights. The evening’s main event was a match featuring last year’s HERO’S Middleweight Champion, J.Z. Calvan of Brazil and Japanese judoka Shinya Aoki. All bouts were fought under DREAM mixed martial arts rules, with a 10 min first and 5 min second round. It attracted a sellout crowd of 19,120 and was broadcast live across Japan on the TBS television network.
Announced attendance was 19,120 and its reported TV ratings on TBS were 8.9%.
The winner of the Lightweight tournament will be declared at DREAM.5, on July 21, 2008 in Osaka, Japan.
| Match | Winner | Loser | Method | Round | Time |
| 1 | Ikuhisa Minowa | Bum Chan Kang | Submission (Kneebar) | 1 | 1:25 |
| 2 | Hayato Sakurai | Hidetaka Monma | TKO (Punches) | 1 | 4:12 |
| 3 | Joachim Hansen | Kotetsu Boku | Decision (Unanimous) | 2 | 5:00 |
| 4 | Luiz Firmino | Kazuyuki Miyata | Submission (Rear Naked Choke) | 1 | 7:37 |
| 5 | Katsuhiko Nagata | Artur Oumakhanov | Decision (Unanimous) | 2 | 5:00 |
| 6 | Mitsuhiro Ishida | Bu Kyung Jung | Decision (Unanimous) | 2 | 5:00 |
| 7 | Mirko Filipovic | Tatsuya Mizuno | TKO (Punches) | 1 | 0:56 |
| 8 | Eddie Alvarez | Andre Amade | TKO (Punches) | 1 | 6:47 |
| 9 | Tatsuya Kawajiri | Kultar Gill | Decision (Unanimous) | 2 | 5:00 |
| 10 | Gesias Calvancante | Shinya Aoki | No Contest | 1 | 3:46 |
