| Date | Sunday 13 September 1981 |
| Start time | 14:00 |
| Event | Italian GP |
| Circuit | Monza |
| Event Format | Race of 52 laps |
| Championship | World Championship |
| Race number | #13 of 15 in 1981 #355 (of all time) |
| Laps | 52 |
| Circuit Perimeter | 5800 m |
| Race Distance | 5800 × 52 = 301.600 km |
| Grid Format | 2-2-2-2 (staggered) |
| Pole Position | Left |
| First Corner | Right |
| Track Direction | Clockwise |
| Weather | Overcast, Mild, Showers |
| Entries | 30 |
| Qualifiers | 24 |
| Finishers | 10 |
| Debutants | Osella FA1C (Car Model) |
| Milestones | Elf – 50th Win (Lubricant Manufacturer)
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| Records Broken |
1. Most Podium Finishes – Carlos Reutemann (44)
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| Records Extended |
1. Most Drivers' Championship Points Scores – Ferrari (418),
2. Most Constructors' Championship Points Scores – Ferrari (286),
3. Most Retirements – Lotus (396),
4. Most Drivers' Championship Points Scores – Carlos Reutemann (65),
5. Most Constructors' Championship Points Scores – Carlos Reutemann (65),
6. Most 3rd Place Finishes – Carlos Reutemann (20),
7. Most 5th Place Finishes – Ferrari (47),
8. Most Race Entries – Lotus (916),
9. Most 8th Place Qualifications – Ferrari (55),
10. Most 9th Place Qualifications – Ferrari (42),
11. Most 12th Place Qualifications – Lotus (42)
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