1991 Brazilian Grand Prix
- Round
- 2 of 1991
- Circuit
- Autodromo Jose Carlos Pace (Interlagos)
- Location
- Sao Paulo, Brazil
- Dates
- —
- Format
- Standard weekend
- Winner
- Ayrton Senna
- Constructor
- McLaren
- Entrant
- McLaren-Honda
- Pole position
- Ayrton Senna
- Fastest lap
- Nigel Mansell
- Confidence
- reference