Kompletní výsledky závodníků GP 350 ccm roku 1964. Mistrem světa se stal Jim Redman na motocyklu Honda, druhý byl Bruce Beale a třetí Jean-Mike Duff.
Celkové pořadí jezdců GP 350 ccm 1964
| Poz. | Jméno | Číslo | Národnost | Motocykl | Body | Vítězství |
| 1 |  Jim Redman |
Rhodesia | Honda | 40 | 8 | |
| 2 | Bruce Beale |
Rhodesia | Honda | 24 | 0 | |
| 3 |  Mike Duff |
Canada | AJS | 20 | 0 | |
| 4 |  Mike Hailwood |
United Kingdom | MV Agusta / MZ | 12 | 0 | |
| 5 |  Gustav Havel |
Czechoslovakia | Jawa | 10 | 0 | |
| 6 | Phil Read |
United Kingdom | AJS | 6 | 0 | |
| 7 |  Paddy Driver |
South Africa | AJS | 5 | 0 | |
| 8 |  Remo Venturi |
Italy | Bianchi | 4 | 0 | |
| = |  Endel Kiisa |
USSR | CKEB C364 Vost. | 4 | 0 | |
| = | Stanislav Malina |
Czechoslovakia | CZ | 4 | 0 | |
| = |  Isamu Kasuya |
Japan | Honda | 4 | 0 | |
| 12 | Derek Minter |
United Kingdom | Norton | 4 | 0 | |
| 13 | Gilberto Milani |
Italy | Aermacchi | 3 | 0 | |
| = | Alan Shepherd |
United Kingdom | MZ | 3 | 0 | |
| = | Renzo Pasolini |
Italy | Aermacchi | 3 | 0 | |
| = | Isao Yamashita |
Japan | Honda | 3 | 0 | |
| 17 | Derek Woodman |
United Kingdom | AJS | 3 | 0 | |
| = | Vernon Cottle |
United Kingdom | AJS | 3 | 0 | |
| 19 | Chris Conn |
United Kingdom | Norton | 2 | 0 | |
| = | Kuniomi Nagamatsu |
Japan | Honda | 2 | 0 | |
| = | Fred Stevens |
United Kingdom | AJS | 2 | 0 | |
| 22 | Joe Dunphy |
United Kingdom | Norton | 1 | 0 | |
| = |  Jack Ahearn |
Australia | Norton | 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)
