The 1963 Isle of Man TT motorcycle races were contested in six categories over the Snaefell Mountain Course. The Senior TT was won by Mike Hailwood on an MV Agusta.
3 Laps (113.00 Miles) Mountain Course.
| Place | Rider | Number | Machine | Speed | Time | Points | |
|---|---|---|---|---|---|---|---|
| 1 |  Hugh Anderson | Suzuki | 89.27 mph | 1:16.05.0 | 8 | ||
| 2 | Frank Perris | Suzuki | 87.74 mph | 1:17.25.0 | 6 | ||
| 3 | Ernst Degner | Suzuki | 87.61 mph | 1:17.31.6 | 4 | ||
| 4 |  Luigi Taveri | Honda | 86.99 mph | 1:18.05.0 | 3 | ||
| 5 |  Bert Schneider | Suzuki | 86.30 mph | 1:18.42.8 | 2 | ||
| 6 | Jim Redman | Honda | 86.26 mph | 1:18.44.6 | 1 |
3 Laps (113.00 Miles) Mountain Course.
| Place | Rider | Passenger | Number | Machine | Speed | Time | Points | |
|---|---|---|---|---|---|---|---|---|
| 1 | Florian Camathias | Alfred Herzig | BMW | 88.38 mph | 1:16.15.0 | 8 | ||
| 2 | Fritz Scheidegger | John Robinson | BMW | 87.66 mph | 1:17.29.2 | 6 | ||
| 3 | Tony Baitup | Peter Birch | Triumph | 86.52 mph | 1:17.17.6 | 4 | ||
| 4 | Otto Kolle | Dieter Hess | BMW | 81.55 mph | 1:23.17.6 | 3 | ||
| 5 | Georg Auerbacher | Eduard Dein | BMW | 82.56 mph | 1:22.16.0 | 2 | ||
| 6 | Colin Seeley | Willy Rawlings | Matchless | 81.52 mph | 1:23.19.8 | 1 |
6 Laps (226.38 Miles) Mountain Course.
| Place | Rider | Number | Machine | Speed | Time | Points | |
|---|---|---|---|---|---|---|---|
| 1 | Jim Redman | Honda | 94.85 mph | 2:23.12.2 | 8 | ||
| 2 |  Fumio Ito | Yamaha | 94.55 mph | 2:23.40.4 | 6 | ||
| 3 | Bill Smith | Honda | 91.12 mph | 2:29.05.2 | 4 | ||
| 4 | Hiroshi Hasegawa | Yamaha | 88.39 mph | 2:33.41.4 | 3 | ||
| 5 | Tommy Robb | Honda | 82.75 mph | 2:44.10.2 | 2 | ||
| 6 | John Kidson | Moto Guzzi | 82.74 mph | 2:44.10.6 | 1 |
6 Laps (236.38 Miles) Mountain Course.
| Place | Rider | Number | Machine | Speed | Time | Points | |
|---|---|---|---|---|---|---|---|
| 1 | Jim Redman | Honda | 94.91 mph | 2:23.08.2 | 8 | ||
| 2 | John Hartle | Gilera | 90.58 mph | 2:29.58.2 | 6 | ||
| 3 | Franta Stastny | Jawa | 89.76 mph | 2:31.20.6 | 4 | ||
| 4 | Syd Mizen | AJS | 89.65 mph | 2:31.31.8 | 3 | ||
| 5 |  Jack Ahearn | Norton | 89.35 mph | 2:31.01.8 | 2 | ||
| 6 |  Mike Duff | AJS | 87.59 mph | 2:35.05.4 | 1 |
3 Laps (113.00 Miles) Mountain Course.
| Place | Rider | Number | Machine | Speed | Time | Points | |
|---|---|---|---|---|---|---|---|
| 1 | Mitsuo Itoh | Suzuki | 78.81 mph | 1:26.10.6 | 8 | ||
| 2 | Hugh Anderson | Suzuki | 78.40 mph | 1:26.37.4 | 6 | ||
| 3 | Hans-Georg Anscheidt | Kreidler | 78.33 mph | 1:26.42.0 | 4 | ||
| 4 | Isao Morishita | Suzuki | 77.82 mph | 1:27.16.2 | 3 | ||
| 5 | Michio Ichino | Suzuki | 76.20 mph | 1:29.07.6 | 2 | ||
| 6 | Ian Plumridge | Honda | 64.82 mph | 1:44.46.4 | 1 |
6 Laps (236.38 Miles) Mountain Course.
| Place | Rider | Number | Machine | Speed | Time | Points | |
|---|---|---|---|---|---|---|---|
| 1 | Mike Hailwood | MV Agusta | 104.64 mph | 2:09.48.8 | 8 | ||
| 2 | John Hartle | Gilera | 103.67 mph | 2:11.01.8 | 6 | ||
| 3 | Phil Read | Gilera | 100.01 mph | 2:15.42.2 | 4 | ||
| 4 | Mike Duff | Matchless | 99.29 mph | 2:16.48.8 | 3 | ||
| 5 | Joe Dunphy | Norton | 99.63 mph | 2:20.09.0 | 2 | ||
| 6 | Fred Stevens | Norton | 96.99 mph | 2:20.11.2 | 1 |