1977 Czechoslovak motorcycle Grand Prix

  1977 Czechoslovak Grand Prix

Race details
Race 12 of 13 races in the 1977 Grand Prix motorcycle racing season
Date	7 August 1977
Official name	Grand Prix ČSSR[1][2][3]
Location	Brno Circuit
Course	Permanent racing facility 10.920 km (6.785 mi)
500cc
Pole position Rider Johnny Cecotto Time 3:29.710 Fastest lap Rider Johnny Cecotto Time 3:29.690 Podium First Johnny Cecotto Second Giacomo Agostini Third Michel Rougerie
350cc
Pole position Rider Johnny Cecotto Time 3:40.360 Fastest lap Rider Johnny Cecotto Time 3:39.900 Podium First Johnny Cecotto Second Tom Herron Third Christian Sarron
250cc
Pole position Rider Franco Uncini Time 3:50.970 Fastest lap Rider Walter Villa Time 3:46.890 Podium First Franco Uncini Second Walter Villa Third Mario Lega
Sidecar (B2A)
Pole position Rider Werner Schwärzel Time 3:51.300 Fastest lap Rider Werner Schwärzel Time 3:50.960 Podium First Rolf Steinhausen Second Siegfreid Schauzu Third George O'Dell

The 1977 Czechoslovak motorcycle Grand Prix was the twelfth round of the 1977 Grand Prix motorcycle racing season. It took place on 7 August 1977 at the Brno circuit. This would turn out to be 15-time World Champion Giacomo Agostini's last podium in Grand Prix racing.