| Grand Prix: | Finnish |
| Flag: | Finland |
| Official Name: | Imatranajo[1] |
| Location: | Imatra Circuit |
| Course Mi: | 3.747 |
| Course Km: | 6.030 |
| Race No: | 10 |
| Season No: | 12 |
| Date: | 27 July |
| Year: | 1975 |
| Pole Rider 500: | Gianfranco Bonera |
| Pole Rider 500 Country: | ITA |
| Pole Time 500: | 2:17.100 |
| Fast Rider 500: | Giacomo Agostini |
| Fast Rider 500 Country: | ITA |
| Fast Time 500: | 2:15.500 |
| First Rider 500: | Giacomo Agostini |
| First Rider 500 Country: | ITA |
| Second Rider 500: | Teuvo Länsivuori |
| Second Rider 500 Country: | FIN |
| Third Rider 500: | Jack Findlay |
| Third Rider 500 Country: | AUS |
| Pole Rider 350: | Johnny Cecotto |
| Pole Rider 350 Country: | VEN |
| Pole Time 350: | 2:22.600 |
| Fast Rider 350: | Unknown |
| First Rider 350: | Johnny Cecotto |
| First Rider 350 Country: | VEN |
| Second Rider 350: | Giacomo Agostini |
| Second Rider 350 Country: | ITA |
| Third Rider 350: | Patrick Pons |
| Third Rider 350 Country: | FRA |
| Pole Rider 250: | Michel Rougerie |
| Pole Rider 250 Country: | FRA |
| Pole Time 250: | 2:24.600 |
| Fast Rider 250: | Unknown |
| First Rider 250: | Michel Rougerie |
| First Rider 250 Country: | FRA |
| Second Rider 250: | Johnny Cecotto |
| Second Rider 250 Country: | VEN |
| Third Rider 250: | Otello Buscherini |
| Third Rider 250 Country: | ITA |
| Pole Rider 125: | None |
| Fast Rider 125: | None |
| First Rider 125: | None |
| Second Rider 125: | None |
| Third Rider 125: | None |
| Pole Rider 50: | Eugenio Lazzarini |
| Pole Rider 50 Country: | ITA |
| Pole Time 50: | 2:52.900 |
| Fast Rider 50: | Unknown |
| First Rider 50: | Ángel Nieto |
| First Rider 50 Country: | SPA |
| First Rider 50 Country Flag Suffix: | 1945 |
| Second Rider 50: | Eugenio Lazzarini |
| Second Rider 50 Country: | ITA |
| Third Rider 50: | Rudolf Kunz |
| Third Rider 50 Country: | BRD |
The 1975 Finnish motorcycle Grand Prix was the tenth round of the 1975 Grand Prix motorcycle racing season. It took place on the weekend of 25–27 July 1975 at the Imatra Circuit.
| Pos. | Rider | Team | Manufacturer | Time/Retired | Points | ||||
|---|---|---|---|---|---|---|---|---|---|
| 1 |  Giacomo Agostini | Yamaha Motor NV | Yamaha | 49'25.700 | 15 | ||||
| 2 |  Teuvo Länsivuori | Suzuki Motor Company | Suzuki | +53.100 | 12 | ||||
| 3 |  Jack Findlay | Yamaha | +1'03.000 | 10 | |||||
| 4 |  Chas Mortimer | Sarome Racing | Yamaha | +1 lap | 8 | ||||
| 5 | Steve Ellis | Yamaha | +1 lap | 6 | |||||
| 6 | Horst Lahfeld | König | +1 lap | 5 | |||||
| 7 |  Thierry van der Veken | Yamaha | +1 lap | 4 | |||||
| 8 |  Johnny Bengtsson | Yamaha | +1 lap | 3 | |||||
| 9 |  Björn Hasli | Yamaha | +1 lap | 2 | |||||
| 10 | Seppo Kangasniemi | Yamaha | +1 lap | 1 | |||||
| 11 | Pentti Lehtela | Yamaha | +1 lap | ||||||
| 12 | Neil Tuxworth | Yamaha | +1 lap | ||||||
| 13 | Ari Heikkila | Yamaha | +1 lap | ||||||
| Ret | Phil Read | MV Agusta | MV Agusta | Retired | |||||
| Ret | Gianfranco Bonera | MV Agusta | MV Agusta | Accident | |||||
| Ret | Barry Sheene | Suzuki Motor Company | Suzuki | Retired | |||||
| Ret | Alex George | Yamaha | Retired | ||||||
| Ret | Charlie Williams | Yamaha | Accident | ||||||
| Ret |  Edmar Ferreira | Carvalho Racing | Yamaha | Retired | |||||
| Ret | John Williams | Yamaha | Retired | ||||||
| Ret | Tapio Virtanen | Silja Line Racing | Yamaha | Retired | |||||
| DNS | Philippe Coulon | GIR | Yamaha | Did not start | |||||
| Sources: [2] [3] | |||||||||