| Country: | United Kingdom |
| Grand Prix: | Silverstone |
| Round No: | 5 |
| Season No: | 11 |
| Year: | 2015 |
| Location: | Silverstone Circuit Silverstone, United Kingdom |
| Course: | Permanent racing facility |
| Course Mi: | 3.660 |
| Course Km: | 5.891 |
| Date R1: | 4 July |
| Laps R1: | 29 |
| Pole Driver Country: | RUS |
| Pole Driver: | Sergey Sirotkin |
| Pole Team: | Rapax |
| Pole Time: | 1:39.949 |
| First Driver Country R1: | RUS |
| First Driver R1: | Sergey Sirotkin |
| First Team R1: | Rapax |
| Second Driver Country R1: | USA |
| Second Driver R1: | Alexander Rossi |
| Second Team R1: | Racing Engineering |
| Third Driver Country R1: | BEL |
| Third Driver R1: | Stoffel Vandoorne |
| Third Team R1: | ART Grand Prix |
| Fast Driver Country R1: | RUS |
| Fast Driver R1: | Sergey Sirotkin |
| Fast Team R1: | Rapax |
| Fast Time R1: | 1:42.734 |
| Fast Lap R1: | 28 |
| Date R2: | 5 July |
| Laps R2: | 21 |
| First Driver Country R2: | INA |
| First Driver R2: | Rio Haryanto |
| First Team R2: | Campos Racing |
| Second Driver Country R2: | ITA |
| Second Driver R2: | Raffaele Marciello |
| Second Team R2: | Trident |
| Third Driver Country R2: | FRA |
| Third Driver R2: | Pierre Gasly |
| Third Team R2: | DAMS |
| Fast Driver Country R2: | INA |
| Fast Driver R2: | Rio Haryanto |
| Fast Team R2: | Campos Racing |
| Fast Time R2: | 1:42.636 |
| Fast Lap R2: | 2 |
The 2015 Silverstone GP2 Series round was a GP2 Series motor race held on 4 and 5 July 2015 at Silverstone Circuit in Silverstone, Britain. It was the fifth round of the 2015 GP2 Series. The race was used to support the 2015 British Grand Prix.
Sergey Sirotkin achieved his maiden pole with a time of 1:39.949, followed by Stoffel Vandoorne and Richie Stanaway.
