1990 San Marino Grand Prix
- Round
- 3 of 1990
- Circuit
- Autodromo Enzo e Dino Ferrari
- Location
- Imola, Italy
- Dates
- —
- Format
- Standard weekend
- Winner
- Riccardo Patrese
- Constructor
- Williams
- Entrant
- Williams-Renault
- Pole position
- Ayrton Senna
- Fastest lap
- Alessandro Nannini
- Confidence
- reference