| Type: | NC |
| Country: | UK |
| Grand Prix: | BRDC International Trophy |
| Official Name: | XV BRDC International Trophy |
| Location: | Silverstone Circuit, Northamptonshire |
| Date: | 11 May |
| Year: | 1963 |
| Course: | Permanent racing facility |
| Course Mi: | 2.927 |
| Course Km: | 4.711 |
| Distance Laps: | 52 |
| Distance Mi: | 152.204 |
| Distance Km: | 244.972 |
| Pole Driver: | Innes Ireland |
| Pole Country: | UK |
| Pole Team: | Lotus-BRM |
| Pole Time: | 1:34.4 |
| Fast Driver: | Innes Ireland |
| Fast Team: | Lotus-BRM |
| Fast Time: | 1:35.4 |
| Fast Country: | UK |
| First Driver: | Jim Clark |
| First Country: | UK |
| First Team: | Lotus-Climax |
| Second Driver: | Bruce McLaren |
| Second Country: | New Zealand |
| Second Team: | Cooper-Climax |
| Third Driver: | Trevor Taylor |
| Third Country: | UK |
| Third Team: | Lotus-Climax |
The 15th BRDC International Trophy was a motor race, run to Formula One rules, held on 11 May 1963 at the Silverstone Circuit, England. The race was run over 52 laps of the Silverstone Grand Prix circuit, and was won by British driver Jim Clark in a Lotus 25.
