Kompletní výsledky závodníků GP 125 ccm roku 1963. Mistrem světa se stal Hugh Anderson na motocyklu Suzuki, druhý byl Luigi Taveri a třetí Jim Redman.
Celkové pořadí jezdců GP 125 ccm 1963
| Poz. | Jméno | Číslo | Národnost | Motocykl | Body | Vítězství |
| 1 |  Hugh Anderson |
New Zealand | Suzuki | 54 | 6 | |
| 2 |  Luigi Taveri |
Switzerland | Honda | 38 | 2 | |
| 3 |  Jim Redman |
Rhodesia | Honda | 35 | 1 | |
| 4 |  Frank Perris |
United Kingdom | Suzuki | 24 | 1 | |
| 5 |  Bert Schneider |
Austria | Suzuki | 23 | 1 | |
| 6 |  Ernst Degner |
West Germany | Suzuki | 17 | 1 | |
| 7 |  Kunimitsu Takahashi |
Japan | Honda | 14 | 0 | |
| 8 | Alan Shepherd |
United Kingdom | MZ | 11 | 0 | |
| 9 | Tommy Robb |
United Kingdom | Honda | 11 | 0 | |
| 10 |  László Szabó |
Hungary | MZ | 7 | 0 | |
| 11 |  Héctor Pochettino |
Argentina | Bultaco | 6 | 0 | |
| 12 |  Giuseppe Visenzi |
Italy | Honda | 6 | 0 | |
| 13 | Aldo Caldarella |
Argentina | Bultaco | 4 | 0 | |
| 14 | Peter Inchley |
United Kingdom | EMC | 3 | 0 | |
| = | Alberto Gómez |
Argentina | Zanella | 3 | 0 | |
| 16 |  Mike Duff |
Canada | Bultaco / MZ | 3 | 0 | |
| 17 |  Francisco González |
Spain | Bultaco | 2 | 0 | |
| = |  John Grace |
Gibraltar | Bultaco | 2 | 0 | |
| = | Juan Carlos Salatino |
Argentina | Zanella | 2 | 0 | |
| 20 |  Jean-Pierre Beltoise |
France | Bultaco | 1 | 0 | |
| = |  Werner Musiol |
East Germany | MZ | 1 | 0 | |
| = | Gary Dickinson |
United Kingdom | Honda | 1 | 0 | |
| = |  Stanislav Malina |
Czechoslovakia | ČZ | 1 | 0 | |
| = | Horacio Maffia |
Argentina | Ducati | 1 | 0 | |
| = | Mitsuo Itoh |
Japan | Suzuki | 1 | 0 |
- Zdroj: https://en.wikipedia.org
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- kurzíva = nejrychlejší kolo závodu
- výsledek tučně = poleposition
- Ret = nedokončil závod (retired)
- NC = neklasifikován (non-classified)
- C = závod zrušen (cancelled)
- EX = vyloučen (excluded)
- DNS = nenastoupil do závodu (did not start)
- DSQ = diskvalifikován (disqualified)
- DNQ = nekvalifikoval se (did not qualified)
- DNP = nezúčastnil se (did not participate)
- WD = výsledek anulován (withdrew)
