The 1975 Czechoslovak motorcycle Grand Prix was the eleventh round of the 1975 Grand Prix motorcycle racing season. It took place on the weekend of 22–24 August 1975 at the Brno Circuit.

Pos.	Rider	Team	Manufacturer	Time/Retired	Points
1	Phil Read	MV Agusta	MV Agusta	1:04'23.900	15
2	Giacomo Agostini	Yamaha Motor NV	Yamaha	+1'00.400	12
3	Alex George		Yamaha	+1'52.100	10
4	Karl Auer	Racing Team NO	Yamaha	+2'26.100	8
5	Olivier Chevallier		Yamaha	+2'37.000	6
6	Chas Mortimer	Sarome Racing	Yamaha	+3'18.600	5
7	Marcel Ankoné	Marcel Ankoné	Suzuki	+3'33.700	4
8	Hans Braumandl		Yamaha	+1 lap	3
9	Børge Nielsen		Yamaha	+1 lap	2
10	Anssi Resko		Yamaha	+2 laps	1
11	Charlie Dobson		Yamaha	+2 laps
Ret	Peter Baláž		Yamaha	Retired
Ret	Philippe Coulon	GIR	Yamaha	Retired
Ret	Jean-Paul Boinet		Yamaha	Retired
Ret	Michael Schmid	Racing Team NO	Rotax	Retired
Ret	Paolo Tordi		Yamaha	Retired
Ret	Horst Lahfeld		König	Retired
Ret	Bohumil Staša		Jawa	Accident
Ret	Teuvo Länsivuori	Suzuki Motor Company	Suzuki	Fuel problems
Ret	Dick Alblas		König	Retired
Ret	Piers Forester		Yamaha	Retired
Ret	Jack Findlay		Yamaha	Retired
Ret	Barry Sheene	Suzuki Motor Company	Suzuki	Retired
Ret	Pentti Korhonen		Yamaha	Retired
Ret	John Williams		Yamaha	Retired
Ret	Helmut Kassner		Yamaha	Retired
Ret	Hans-Otto Butenuth		Yamaha	Retired
Ret	Ulrich Eickmeyer		König	Retired
Sources:[4][5]