| Date | Sunday 17 May 1981 |
| Start time | 14:00 |
| Event | Belgian GP |
| Circuit | Zolder |
| Event Format | Race of 70 laps |
| Championship | World Championship |
| Race number | #5 of 15 in 1981 #347 (of all time) |
| Laps | 54 |
| Circuit Perimeter | 4262 m |
| Race Distance | 4262 × 70 = 298.340 km (scheduled) 4262 × 54 = 230.148 km (raced) |
| Grid Format | 2-2-2-2 (staggered) |
| Pole Position | Left |
| First Corner | Left |
| Track Direction | Clockwise |
| Weather | Cloudy, Mild, Wet |
| Entries | 31 |
| Qualifiers | 24 |
| Finishers | 13 |
| Debutants | None |
| Milestones | Didier Pironi – 50th Race Entry (Driver)
Jacques Laffite – 100th Race Entry (Driver)
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| Records Broken |
None
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| Records Extended |
1. Most Drivers' Championship Points Scores – Ferrari (413),
2. Most Constructors' Championship Points Scores – Ferrari (281),
3. Most 4th Place Finishes – Ferrari (67),
4. Most 8th Place Finishes – Ferrari (41),
5. Most Consecutive Constructors' Championship Points Scores – Carlos Reutemann (15),
6. Most Consecutive Drivers' Championship Points Scores – Carlos Reutemann (15),
7. Most Races Led – Ferrari (198),
8. Most Laps Led – Ferrari (5621),
9. Most Race Entries – Lotus (900),
10. Most Failures to Qualify – March (49),
11. Most 3rd Place Qualifications – Ferrari (83),
12. Most 7th Place Qualifications – Ferrari (53),
13. Most 10th Place Qualifications – Lotus (39),
14. Most 14th Place Qualifications – Lotus (40)
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