F1 fastest laps
Fastest laps
| # | Grand Prix | Circuit | Driver | Constructor |
|---|---|---|---|---|
| 1 | Argentina | Buenos Aires | (FRA) Jacques Laffite | Ligier-Ford Cosworth |
| 2 | Brazil | Interlagos | (FRA) Jacques Laffite | Ligier-Ford Cosworth |
| 3 | South Africa | Kyalami | (CAN) Gilles Villeneuve | Ferrari |
| 4 | USA West | Long Beach | (CAN) Gilles Villeneuve | Ferrari |
| 5 | Spain | Jarama | (CAN) Gilles Villeneuve | Ferrari |
| 6 | Belgium | Zolder | (CAN) Gilles Villeneuve | Ferrari |
| 7 | Monaco | Monte Carlo | (FRA) Patrick Depailler | Ligier-Ford Cosworth |
| 8 | France | Dijon-Prenois | (FRA) Rene Arnoux | Renault |
| 9 | Britain | Silverstone | (CHE) Clay Regazzoni | Williams-Ford Cosworth |
| 10 | Germany | Hockenheim | (CAN) Gilles Villeneuve | Ferrari |
| 11 | Austria | Osterreichring | (FRA) Rene Arnoux | Renault |
| 12 | Netherlands | Zandvoort | (CAN) Gilles Villeneuve | Ferrari |
| 13 | Italy | Monza | (CHE) Clay Regazzoni | Williams-Ford Cosworth |
| 14 | Canada | Montreal | (AUS) Alan Jones | Williams-Ford Cosworth |
| 15 | USA | Watkins Glen | (BRA) Nelson Piquet | Brabham-Ford Cosworth |
- First fastest lap (drivers)
- Rene Arnoux
- Nelson Piquet
- Last fastest lap (drivers)
- Patrick Depailler
- Clay Regazzoni
- First fastest lap (constructors)
- Renault
- Last fastest lap (constructors)
- No constructor set their last fastest lap in 1979
- First fastest lap since…
- 1976 for Patrick Depailler and Clay Regazzoni
- 1977 for Jacques Laffite and Ligier
- Last fastest lap until…
- 1981 for Gilles Villeneuve and Ferrari
- First fastest lap by a…
- Brazilian driver since 1975
- Swiss driver since 1976
- Last fastest lap by a…
- Canadian driver until 1981
- Swiss driver until 1981