1984 Formula One season Drivers and constructors Drivers and constructors

| Entrant | Constructor_ | Chassis | Engine | Tyres | Driver | Rounds |
|---|---|---|---|---|---|---|
| Osella Squadra Corse | Osella - Alfa Romeo | FA1F | Alfa Romeo 890T 1.5 V8 t | P | Piercarlo Ghinzani | All |
| Osella Squadra Corse | Osella - Alfa Romeo | FA1F | Alfa Romeo 890T 1.5 V8 t | P | Jo Gartner | 10-16 |
| Osella Squadra Corse | Osella - Alfa Romeo | FA1E | Alfa Romeo 1260 3.0 V12 | P | Jo Gartner | 4 |
| Ligier Loto | Ligier - Renault | JS23 JS23B | Renault EF4 1.5 V6 t | M | François Hesnault | All |
| Ligier Loto | Ligier - Renault | JS23 JS23B | Renault EF4 1.5 V6 t | M | Andrea de Cesaris | All |
| Scuderia Ferrari SpA SEFAC | Ferrari | 126C4 | Ferrari 031 1.5 V6 t | G | Michele Alboreto | All |
| Scuderia Ferrari SpA SEFAC | Ferrari | 126C4 | Ferrari 031 1.5 V6 t | G | René Arnoux | All |