| Grand Prix: | Spanish |
| Flag: | Spain |
| Flag Suffix: | 1945 |
| Location: | Montjuïc circuit |
| Course Mi: | 2.613 |
| Course Km: | 4.205 |
| Race No: | 8 |
| Season No: | 8 |
| Date: | 5 October |
| Year: | 1952 |
| Pole Rider 500: | Umberto Masetti |
| Pole Rider 500 Country: | Italy |
| Pole Rider 500 Bike: | Gilera |
| Pole Time 500: | 2:36.100 |
| Fast Rider 500: | Umberto Masetti |
| Fast Rider 500 Country: | Italy |
| Fast Rider 500 Bike: | Gilera |
| Fast Time 500: | 2:33.570 |
| First Rider 500: | Leslie Graham |
| First Rider 500 Country: | UK |
| First Rider 500 Bike: | MV Agusta |
| Second Rider 500: | Umberto Masetti |
| Second Rider 500 Country: | Italy |
| Second Rider 500 Bike: | Gilera |
| Third Rider 500: | Ken Kavanagh |
| Third Rider 500 Country: | Australia |
| Third Rider 500 Bike: | Norton |
| Pole Rider 125: | Romolo Ferri |
| Pole Rider 125 Country: | Italy |
| Pole Rider 125 Bike: | Moto Morini |
| Pole Time 125: | 2:45.000 |
| Fast Rider 125: | Emilio Mendogni |
| Fast Rider 125 Country: | Italy |
| Fast Rider 125 Bike: | Moto Morini |
| Fast Time 125: | 2:39.980 |
| First Rider 125: | Emilio Mendogni |
| First Rider 125 Country: | Italy |
| First Rider 125 Bike: | Moto Morini |
| Second Rider 125: | Leslie Graham |
| Second Rider 125 Country: | UK |
| Second Rider 125 Bike: | MV Agusta |
| Third Rider 125: | Cecil Sandford |
| Third Rider 125 Country: | UK |
| Third Rider 125 Bike: | MV Agusta |
| Pole Rider Sidecar: | Cyril Smith |
| Pole Rider Sidecar Country: | GBR |
| Pole Rider Sidecar Bike: | Norton |
| Pole Time Sidecar: | 2:50.100 |
| Fast Rider Sidecar: | Ernesto Merlo |
| Fast Rider Sidecar Country: | Italy |
| Fast Rider Sidecar Bike: | Gilera |
| Fast Time Sidecar: | 2:49.700 |
| Fast Passenger Sidecar: | Dino Magri |
| Fast Passenger Sidecar Country: | Italy |
| First Rider Sidecar: | Eric Oliver |
| First Rider Sidecar Country: | UK |
| First Passenger Sidecar: | Lorenzo Dobelli |
| First Passenger Sidecar Country: | Italy |
| First Rider Sidecar Bike: | Norton |
| Second Rider Sidecar: | Jacques Drion |
| Second Rider Sidecar Country: | France |
| Second Passenger Sidecar: | Inge Stoll |
| Second Passenger Sidecar Country: | West Germany |
| Second Rider Sidecar Bike: | Norton |
| Third Rider Sidecar: | Cyril Smith |
| Third Rider Sidecar Country: | UK |
| Third Passenger Sidecar: | Les Nutt |
| Third Passenger Sidecar Country: | UK |
| Third Rider Sidecar Bike: | Norton |
The 1952 Spanish motorcycle Grand Prix was the eighth and final round of the 1952 Grand Prix motorcycle racing season. It took place on 5 October 1952 at the Montjuïc circuit.
| Pos | Rider | Manufacturer | Laps | Time | Points | |
|---|---|---|---|---|---|---|
| 1 |  Leslie Graham | MV Agusta | 48 | 2:06:18.3 | 8 | |
| 2 |  Umberto Masetti | Gilera | 48 | +26.9 | 6 | |
| 3 |  Ken Kavanagh | Norton | 48 | +30.2 | 4 | |
| 4 | Nello Pagani | Gilera | 3 | |||
| 5 |  Reg Armstrong | Norton | 2 | |||
| 6 | Syd Lawton | Norton | 1 | |||
| 7 | Siegfried Wünsche | DKW | ||||
| 8 |  Fernando Aranda | Gilera | ||||
| 9 | Ray Amm | Norton | ||||
| 10 |  John Grace | Norton | ||||
| 11 | Ewald Kluge | DKW | ||||
| 12 | Rudi Knees | Norton | ||||
| 13 | Humphrey Ranson | Norton | ||||
| 14 | Harry Lindsay | Triumph | ||||
| 15 |  Siegfried Vogel | Norton | ||||
| [1] | ||||||
| Pos | Rider | Manufacturer | Laps | Time | Points | |
|---|---|---|---|---|---|---|
| 1 | Emilio Mendogni | Moto Morini | 24 | 1:05:12.3 | 8 | |
| 2 | Leslie Graham | MV Agusta | 24 | +17.6 | 6 | |
| 3 | Cecil Sandford | MV Agusta | 24 | +2:00.2 | 4 | |
| 4 | Romolo Ferri | Moto Morini | 3 | |||
| 5 | Hermann Paul Müller | Mondial | 2 | |||
| 6 | Luigi Zinzani | Moto Morini | 1 | |||
| 7 |  Dick Renooy | Eysink | ||||
| 8 | José Maria Llobet | Montesa | ||||
| 9 | Ewald Kluge | DKW | ||||
| 10 | Toon van Zutphen | Eysink | ||||
| 11 | Ramon Soley | MV Agusta | ||||
| 12 | Mobi Vierdag | Eysink | ||||
| 13 | Paul Feurstein | Puch | ||||
| Pos | Rider | Passenger | Manufacturer | Laps | Time | Points | |
|---|---|---|---|---|---|---|---|
| 1 | Eric Oliver | Lorenzo Dobelli | Norton | 24 | 1:09:49.1 | 8 | |
| 2 |  Jacques Drion | Inge Stoll | Norton | 24 | +2:23.2 | 6 | |
| 3 | Cyril Smith | Les Nutt | Norton | 4 | |||
| 4 | Otto Schmidt | Otto Kölle | Norton | 3 | |||
| 5 | René Bétemps | André Drivet | Norton | 2 | |||
| 6 | Rudolf Koch | Adolf Flach | BMW | 1 | |||
| 7 | Siegfried Vogel | ? | Norton | ||||