| Grand Prix: | Swiss |
| Flag: | Switzerland |
| Location: | Circuit Bremgarten |
| Course Mi: | 4.524 |
| Course Km: | 7.280 |
| Race No: | 1 |
| Season No: | 8 |
| Date: | 17–18 May |
| Year: | 1952 |
| Fast Rider 500: | Jack Brett |
| Fast Rider 500 Country: | United Kingdom |
| Fast Rider 500 Bike: | AJS |
| Fast Time 500: | 2:48.3 |
| First Rider 500: | Jack Brett |
| First Rider 500 Country: | United Kingdom |
| First Rider 500 Bike: | AJS |
| Second Rider 500: | Bill Doran |
| Second Rider 500 Country: | United Kingdom |
| Second Rider 500 Bike: | AJS |
| Third Rider 500: | Carlo Bandirola |
| Third Rider 500 Country: | Italy |
| Third Rider 500 Bike: | MV Agusta |
| Fast Rider 350: | Geoff Duke |
| Fast Rider 350 Country: | United Kingdom |
| Fast Rider 350 Bike: | Norton |
| Fast Time 350: | 2:54.5 |
| First Rider 350: | Geoff Duke |
| First Rider 350 Country: | United Kingdom |
| First Rider 350 Bike: | Norton |
| Second Rider 350: | Rod Coleman |
| Second Rider 350 Country: | New Zealand |
| Second Rider 350 Bike: | AJS |
| Third Rider 350: | Reg Armstrong |
| Third Rider 350 Country: | Ireland |
| Third Rider 350 Bike: | Norton |
| Fast Rider 250: | Enrico Lorenzetti |
| Fast Rider 250 Country: | Italy |
| Fast Rider 250 Bike: | Moto Guzzi |
| Fast Time 250: | 3:06.8 |
| First Rider 250: | Fergus Anderson |
| First Rider 250 Country: | United Kingdom |
| First Rider 250 Bike: | Moto Guzzi |
| Second Rider 250: | Enrico Lorenzetti |
| Second Rider 250 Country: | Italy |
| Second Rider 250 Bike: | Moto Guzzi |
| Third Rider 250: | Leslie Graham |
| Third Rider 250 Country: | United Kingdom |
| Third Rider 250 Bike: | Benelli |
| Fast Rider Sidecar: | Ercole Frigerio |
| Fast Rider Sidecar Country: | Italy |
| Fast Rider Sidecar Bike: | Gilera |
| Fast Passenger Sidecar: | Ezio Ricotti |
| Fast Passenger Sidecar Country: | Italy |
| Fast Time Sidecar: | 3:22.1 |
| First Rider Sidecar: | Albino Milani |
| First Rider Sidecar Country: | Italy |
| First Passenger Sidecar: | Giuseppe Pizzocri |
| First Passenger Sidecar Country: | Italy |
| First Rider Sidecar Bike: | Gilera |
| Second Rider Sidecar: | Cyril Smith |
| Second Rider Sidecar Country: | United Kingdom |
| Second Passenger Sidecar: | Bob Clements |
| Second Passenger Sidecar Country: | United Kingdom |
| Second Rider Sidecar Bike: | Norton |
| Third Rider Sidecar: | Jacques Drion |
| Third Rider Sidecar Country: | France |
| Third Passenger Sidecar: | Bob Onslow |
| Third Passenger Sidecar Country: | United Kingdom |
| Third Rider Sidecar Bike: | Norton |
The 1952 Swiss motorcycle Grand Prix was the first race of the 1952 Motorcycle Grand Prix season. It took place on 17–18 May 1952 at the Bremgarten circuit.
| Pos | Rider | Manufacturer | Laps | Time | Points | |
|---|---|---|---|---|---|---|
| 1 |  Jack Brett | AJS | 28 | 1:21:03.0 | 8 | |
| 2 | Bill Doran | AJS | 28 | +20.6 | 6 | |
| 3 |  Carlo Bandirola | MV Agusta | 28 | +1:28.4 | 4 | |
| 4 | Nello Pagani | Gilera | 3 | |||
| 5 |  Rod Coleman | AJS | 2 | |||
| 6 | Ray Amm | Norton | 1 | |||
| 7 | Libero Liberati | Gilera | ||||
| 8 | Syd Lawton | Norton | ||||
| 9 |  Willy Lips | Norton | ||||
| 10 | Friedel Schön | Horex | ||||
| 11 | Hans Wirz | Triumph | ||||
| 12 | Bill Beevers | Norton | ||||
| 13 | Max Forster | Gilera | ||||
| 14 | Carlo Belotti | Moto Guzzi | ||||
| [1] | ||||||
| Pos | Rider | Manufacturer | Laps | Time | Points | |
|---|---|---|---|---|---|---|
| 1 | Geoff Duke | Norton | 21 | 1:02:13.6 | 8 | |
| 2 | Rod Coleman | AJS | 21 | +53.0 | 6 | |
| 3 |  Reg Armstrong | Norton | 21 | +2:02.1 | 4 | |
| 4 | Jack Brett | AJS | 3 | |||
| 5 | Syd Lawton | AJS | 2 | |||
| 6 | Ray Amm | Norton | 1 | |||
| 7 |  Ken Kavanagh | Norton | ||||
| 8 | W. Wanner | AJS | ||||
| 9 | Paul Fuhrer | Velocette | ||||
| 10 | Werner Gerber | AJS | ||||
| 11 | Willy Lips | Norton | ||||
| 12 | Kurt Knopf | AJS | ||||
| 13 | Max Forster | Velocette | ||||
| 14 | Bill Beevers | Norton | ||||
| 15 | M. Fontanesi | AJS | ||||
| 16 | Roland Schnell | Horex | ||||
| 17 | Werner Mazanec | AJS | ||||
| 18 | L. Harris | Velocette | ||||
| 19 | F. Ellenberger | AJS | ||||
| 20 | Edmund Laederach | AJS | ||||
| Pos | Rider | Manufacturer | Laps | Time | Points | |
|---|---|---|---|---|---|---|
| 1 | Fergus Anderson | Moto Guzzi | 18 | 57:23.0 | 8 | |
| 2 | Enrico Lorenzetti | Moto Guzzi | 18 | +6.1 | 6 | |
| 3 | Leslie Graham | Benelli | 21 | +24.7 | 4 | |
| 4 | Alano Montanari | Moto Guzzi | 3 | |||
| 5 | Nino Grieco | Parilla | 2 | |||
| 6 | Gotthilf Gehring | Moto Guzzi | 1 | |||
| 7 | Carlo Belotti | Moto Guzzi | ||||
| 8 | Hermann Gablenz | Horex | ||||
| Pos | Rider | Passenger | Manufacturer | Laps | Time | Points | |
|---|---|---|---|---|---|---|---|
| 1 | Albino Milani | Giuseppe Pizzocri | Gilera | 16 | 54:54.3 | 8 | |
| 2 | Cyril Smith | Bob Clements | Norton | 16 | +5.4 | 6 | |
| 3 |  Jacques Drion | Bob Onslow | Norton | 16 | +2:47.1 | 4 | |
| 4 | Ferdinand Aubert | René Aubert | Norton | 3 | |||
| 5 |  Marcel Masuy | Denis Jenkinson | Norton | 2 | |||
| 6 | Jean Murit | André Emo | Norton | 1 | |||
| 7 |  Julius Beer | Gernot Zingerle | Norton | ||||
| 8 | Franz Möhr | Günter Müller | BMW | ||||
| 9 | Fritz Mühlemann | Marie Mühlemann | Triumph | ||||
| 10 | Roland Benz | Gusti Fischer | Triumph | ||||
| 11 | Hermann Böhm | Karl Fuchs | Norton | ||||
| 12 | André Reichlin | Maria Reichlin | Norton | ||||
| 13 | Heinrich Stamm | Peter Haberstich | Norton | ||||
| 14 | Franz Vaasen | Walter Viesler | Norton | ||||
| 15 | Josef Suter | Trudy Suter | FN | ||||