| Country: | Monaco |
| Grand Prix: | Monaco |
| Round No: | 2 |
| Season No: | 10 |
| Year: | 2009 |
| Location: | Circuit de Monaco Monte Carlo, Monaco |
| Course: | Street Course |
| Course Mi: | 2.08 |
| Course Km: | 3.34 |
| Date R1: | 22 May |
| Laps R1: | 45 |
| Pole Driver Country: | France |
| Pole Driver: | Romain Grosjean |
| Pole Team: | Barwa Addax Team |
| Pole Time: | 1:19.498 |
| First Driver Country R1: | France |
| First Driver R1: | Romain Grosjean |
| First Team R1: | Barwa Addax Team |
| Second Driver Country R1: | Russia |
| Second Driver R1: | Vitaly Petrov |
| Second Team R1: | Barwa Addax Team |
| Third Driver Country R1: | Brazil |
| Third Driver R1: | Lucas di Grassi |
| Third Team R1: | Racing Engineering |
| Fast Driver Country R1: | France |
| Fast Driver R1: | Romain Grosjean |
| Fast Team R1: | Barwa Addax Team |
| Fast Time R1: | 1:21.823 |
| Fast Lap R1: | 30 |
| Date R2: | 24 May |
| Laps R2: | 27 |
| First Driver Country R2: | VEN |
| First Driver R2: | Pastor Maldonado |
| First Team R2: | ART Grand Prix |
| Second Driver Country R2: | BEL |
| Second Driver R2: | Jérôme d'Ambrosio |
| Second Team R2: | DAMS |
| Third Driver Country R2: | GER |
| Third Driver R2: | Nico Hülkenberg |
| Third Team R2: | ART Grand Prix |
| Fast Driver Country R2: | Russia |
| Fast Driver R2: | Vitaly Petrov |
| Fast Team R2: | Barwa Addax Team |
| Fast Time R2: | 1:22.045 |
| Fast Lap R2: | 9 |
The 2009 Monaco GP2 Series round was a GP2 Series motor race held on 22 May and 24 May 2009 at the Circuit de Monaco on the streets of the country. It was the second race of the 2009 GP2 Season. The race was used as a support race for the 2009 Monaco Grand Prix
The first race once again resulted in a one-two finish for Barwa Addax Team drivers Romain Grosjean and Vitaly Petrov, with Lucas di Grassi promoted to third for Fat Burner Racing Engineering, after Nico Hülkenberg was demoted after cutting a corner.
The red flagged second race was won by Pastor Maldonado for ART Grand Prix, with Jérôme d'Ambrosio and Hülkenberg also on the podium. Romain Grosjean had a big accident in the final stages, where he was unhurt, but it did bring out the red flag which ended the race 2 laps shy of the end.
| Pos | Driver | Points | |
|---|---|---|---|
| 1 |  Romain Grosjean | 31 | |
| 2 |  Vitaly Petrov | 18 | |
| 3 |  Jérôme d'Ambrosio | 18 | |
| 4 |  Pastor Maldonado | 12 | |
| 5 |  Edoardo Mortara | 10 |
| Pos | Team | Points | |
|---|---|---|---|
| 1 |  Barwa Addax Team | 49 | |
| 2 | DAMS | 21 | |
| 3 | ART Grand Prix | 20 | |
| 4 |  Telmex Arden International | 10 | |
| 5 | Fisichella Motor Sport | 8 |
