Kompletní výsledky závodníků GP 250 ccm roku 1964. Mistrem světa se stal Phil Read na motocyklu Yamaha, druhý byl Jim Redman a třetí Alan Shepherd.
Celkové pořadí jezdců GP 250 ccm 1964
| Poz. | Jméno | Číslo | Národnost | Motocykl | Body | Vítězství |
| 1 |  Phil Read |
United Kingdom | Yamaha | 46 | 5 | |
| 2 |  Jim Redman |
Rhodesia | Honda | 42 | 3 | |
| 3 | Alan Shepherd |
United Kingdom | MZ | 23 | 1 | |
| 4 |  Mike Duff |
Canada | Yamaha | 20 | 1 | |
| 5 |  Tarquinio Provini |
Italy | Benelli | 15 | 1 | |
| 6 |  Luigi Taveri |
Switzerland | Honda | 11 | 0 | |
| 7 |  Isamu Kasuya |
Japan | Honda | 10 | 0 | |
| 8 | Bruce Beale |
Rhodesia | Honda | 9 | 0 | |
| 9 | Tommy Robb |
United Kingdom | Yamaha | 7 | 0 | |
| 10 |  Ron Grant |
United States | Parilla | 6 | 0 | |
| 11 | Alberto Pagani |
Italy | Paton | 6 | 0 | |
| 12 | Giacomo Agostini |
Italy | Moto Morini | 6 | 0 | |
| 13 |  Bert Schneider |
Austria | Suzuki | 5 | 0 | |
| 14 | Bob Gehring |
United States | Bultaco | 4 | 0 | |
| = | Ralph Bryans |
United Kingdom | Honda | 4 | 0 | |
| = | Hiroshi Hasegawa |
Japan | Yamaha | 4 | 0 | |
| 17 | Gilberto Milani |
Italy | Aermacchi | 4 | 0 | |
| 18 | George Rockett |
United States | Ducati | 3 | 0 | |
| = |  Stanislav Malina |
Czechoslovakia | CZ | 3 | 0 | |
| 20 | Joe Dunphy |
United Kingdom | Greeves | 2 | 0 | |
| = |  Hugh Anderson |
New Zealand | Suzuki | 2 | 0 | |
| = | Ernst Weiss |
Switzerland | Honda | 2 | 0 | |
| = | Roy Boughey |
United Kingdom | Yamaha | 2 | 0 | |
| = | Mike Hailwood |
United Kingdom | MZ | 2 | 0 | |
| 25 | Douglas Brown |
United States | Ducati | 1 | 0 | |
| = |  Jorge Sirera |
Spain | Montesa | 1 | 0 | |
| = |  Roger Mailles |
France | Morini | 1 | 0 | |
| = | Clive Hunt |
United Kingdom | Aermacchi | 1 | 0 | |
| = |  Wolfgang Gast |
East Germany | MZ | 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)
