| Country: | Italy |
| Grand Prix: | Monza |
| Gp3 Round No: | 6 |
| Gp3 Season No: | 9 |
| Year: | 2015 |
| Location: | Autodromo Nazionale Monza, Monza, Italy |
| Course: | Permanent racing facility |
| Course Mi: | 3.600 |
| Course Km: | 5.793 |
| Gp3date R1: | 5 September |
| Gp3laps R1: | 22 |
| Gp3pole Driver Country: | ITA |
| Gp3pole Driver: | Luca Ghiotto |
| Gp3pole Team: | Trident |
| Gp3pole Time: | 1:50.007 |
| Gp3first Driver Country R1: | GBR |
| Gp3first Driver R1: | Emil Bernstorff |
| Gp3first Team R1: | Arden International |
| Gp3second Driver Country R1: | FRA |
| Gp3second Driver R1: | Esteban Ocon |
| Gp3second Team R1: | ART Grand Prix |
| Gp3third Driver Country R1: | ITA |
| Gp3third Driver R1: | Kevin Ceccon |
| Gp3third Team R1: | Arden International |
| Gp3fast Driver Country R1: | GBR |
| Gp3fast Driver R1: | Emil Bernstorff |
| Gp3fast Team R1: | Arden International |
| Gp3fast Time R1: | 1:39.935 |
| Gp3fast Lap R1: | 13 |
| Gp3date R2: | 6 September |
| Gp3laps R2: | 16 |
| Gp3first Driver Country R2: | GER |
| Gp3first Driver R2: | Marvin Kirchhöfer |
| Gp3first Team R2: | ART Grand Prix |
| Gp3second Driver Country R2: | FRA |
| Gp3second Driver R2: | Esteban Ocon |
| Gp3second Team R2: | ART Grand Prix |
| Gp3third Driver Country R2: | ITA |
| Gp3third Driver R2: | Luca Ghiotto |
| Gp3third Team R2: | Trident |
| Gp3fast Driver Country R2: | ITA |
| Gp3fast Driver R2: | Luca Ghiotto |
| Gp3fast Team R2: | Trident |
| Gp3fast Time R2: | 1:39.146 |
| Gp3fast Lap R2: | 4 |
The 2015 Monza GP3 Series round was a GP3 Series motor race held on September 5 and 6, 2015 at Autodromo Nazionale Monza, Italy. It was the sixth round of the 2015 GP3 Series. The race supported the 2015 Italian Grand Prix.
| Driver | Team | Time | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | 27 |  Luca Ghiotto | Trident | 1:50.007 | 1 | |||
| 2 | 6 |  Esteban Ocon | ART Grand Prix | 1:51.007 | 2 | |||
| 3 | 12 |  Matt Parry | Koiranen GP | 1:51.292 | 3 | |||
| 4 | 14 | Kevin Ceccon | Arden International | 1:51.415 | 4 | |||
| 5 | 15 | Emil Bernstorff | Arden International | 1:51.428 | 5 | |||
| 6 | 5 |  Marvin Kirchhöfer | ART Grand Prix | 1:51.442 | 6 | |||
| 7 | 24 |  Álex Palou | Campos Racing | 1:51.452 | 7 | |||
| 8 | 1 | Antonio Fuoco | Carlin | 1:51.720 | 8 | |||
| 9 | 7 | Seb Morris | Status Grand Prix | 1:51.723 | 9 | |||
| 10 | 11 |  Jimmy Eriksson | Koiranen GP | 1:51.748 | 10 | |||
| 11 | 26 |  Artur Janosz | Trident | 1:51.806 | 11 | |||
| 12 | 21 |  Mathéo Tuscher | Jenzer Motorsport | 1:51.813 | 12 | |||
| 13 | 28 | Amaury Bonduel | Trident | 1:52.048 | 13 | |||
| 14 | 9 |  Sandy Stuvik | Status Grand Prix | 1:52.095 | 14 | |||
| 15 | 20 |  Pål Varhaug | Jenzer Motorsport | 1:52.219 | 15 | |||
| 16 | 23 | Zaid Ashkanani | Campos Racing | 1:52.373 | 16 | |||
| 17 | 8 | Alex Fontana | Status Grand Prix | 1:52.383 | 17 | |||
| 18 | 3 |  Mitchell Gilbert | Carlin | 1:52.501 | 18 | |||
| 19 | 25 | Brandon Maïsano | Campos Racing | 1:52.653 | 19 | |||
| 20 | 16 | Aleksander Bosak | Arden International | 1:54.052 | 20 | |||
| 21 | 22 | Ralph Boschung | Jenzer Motorsport | 21 | ||||
| Source:[1] | ||||||||
| Driver | Team | Laps | Time/Retired | Grid | Points | |||
|---|---|---|---|---|---|---|---|---|
| 1 | 15 | Emil Bernstorff | Arden International | 22 | 37:06.696 | 5 | 25+2 | |
| 2 | 6 | Esteban Ocon | ART Grand Prix | 22 | +0.987 | 2 | 18 | |
| 3 | 14 | Kevin Ceccon | Arden International | 22 | +2.374 | 4 | 15 | |
| 4 | 5 | Marvin Kirchhöfer | ART Grand Prix | 22 | +6.555 | 6 | 12 | |
| 5 | 11 | Jimmy Eriksson | Koiranen GP | 22 | +9.206 | 10 | 10 | |
| 6 | 21 | Mathéo Tuscher | Jenzer Motorsport | 22 | +15.249 | 12 | 8 | |
| 7 | 24 | Álex Palou | Campos Racing | 22 | +16.408 | 7 | 6 | |
| 8 | 8 | Alex Fontana | Status Grand Prix | 22 | +22.645 | 17 | 4 | |
| 9 | 22 | Ralph Boschung | Jenzer Motorsport | 22 | +23.891 | 21 | 2 | |
| 10 | 3 | Mitchell Gilbert | Carlin | 22 | +25.038 | 18 | 1 | |
| 11 | 9 | Sandy Stuvik | Status Grand Prix | 22 | +25.365 | 14 | ||
| 12 | 25 | Brandon Maïsano | Campos Racing | 22 | +28.401 | 19 | ||
| 13 | 23 | Zaid Ashkanani | Campos Racing | 22 | +31.703 | 16 | ||
| 14 | 28 | Amaury Bonduel | Trident | 22 | +38.943 | 13 | ||
| 15 | 16 | Aleksander Bosak | Arden International | 22 | +1:09.130 | 20 | ||
| 16 | 26 | Artur Janosz | Trident | 20 | +2 lap | 11 | ||
| Ret | 1 | Antonio Fuoco | Carlin | 1 | Retired | 8 | ||
| Ret | 20 | Pål Varhaug | Jenzer Motorsport | 1 | Retired | 15 | ||
| Ret | 27 | Luca Ghiotto | Trident | 0 | Retired | 1 | 4 | |
| DSQ | 7 | Seb Morris | Status Grand Prix | 22 | Disqualified | 9 | ||
| DSQ | 12 | Matt Parry | Koiranen GP | 22 | Disqualified | 3 | ||
| Source:[2] | ||||||||
| Driver | Team | Laps | Time/Retired | Grid | Points | |||
|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Marvin Kirchhöfer | ART Grand Prix | 16 | 26:50.969 | 5 | 15 | |
| 2 | 6 | Esteban Ocon | ART Grand Prix | 16 | +1.211 | 7 | 12 | |
| 3 | 27 | Luca Ghiotto | Trident | 16 | +1.459 | 19 | 10+2 | |
| 4 | 14 | Kevin Ceccon | Arden International | 16 | +2.041 | 6 | 8 | |
| 5 | 11 | Jimmy Eriksson | Koiranen GP | 16 | +6.759 | 4 | 6 | |
| 6 | 21 | Mathéo Tuscher | Jenzer Motorsport | 16 | +11.718 | 3 | 4 | |
| 7 | 22 | Ralph Boschung | Jenzer Motorsport | 16 | +13.418 | 9 | 2 | |
| 8 | 9 | Sandy Stuvik | Status Grand Prix | 16 | +15.754 | 11 | 1 | |
| 9 | 3 | Mitchell Gilbert | Carlin | 16 | +17.303 | 10 | ||
| 10 | 24 | Álex Palou | Campos Racing | 16 | +17.794 | 2 | ||
| 11 | 1 | Antonio Fuoco | Carlin | 16 | +18.069 | 17 | ||
| 12 | 28 | Amaury Bonduel | Trident | 16 | +19.512 | 14 | ||
| 13 | 25 | Brandon Maïsano | Campos Racing | 16 | +20.484 | 12 | ||
| 14 | 20 | Pål Varhaug | Jenzer Motorsport | 16 | +20.571 | 18 | ||
| 15 | 23 | Zaid Ashkanani | Campos Racing | 16 | +21.748 | 13 | ||
| 16 | 8 | Alex Fontana | Status Grand Prix | 16 | +25.399 | 1 | ||
| Ret | 15 | Emil Bernstorff | Arden International | 9 | Retired | 8 | ||
| Ret | 26 | Artur Janosz | Trident | 2 | Retired | 16 | ||
| Ret | 7 | Seb Morris | Status Grand Prix | 1 | Retired | 20 | ||
| Ret | 16 | Aleksander Bosak | Arden International | 0 | Retired | 15 | ||
| Ret | 12 | Matt Parry | Koiranen GP | 0 | Retired | 21 | ||
| Source:[3] | ||||||||