| Overview | Grid | Race Entries |
| Race | Qualifying |
| Race Name: | XXXIX Grote Prijs van Belgie |
| Track: | Circuit Terlaemen |
| Round: | 5 of 15 |
| Race date: | Sunday, May 17th, 1981 |
| Race time: | 14.00 |
| 1st | 2nd | 3rd | |
| Driver | Carlos Reutemann | Jacques Laffite | Nigel Mansell |
| Constructor | Williams-Ford Cosworth | Ligier-Matra | Lotus-Ford Cosworth |
| Car | Williams FW07C | Ligier JS17 | Lotus 81B |
| Engine | Ford Cosworth DFV | Matra MS81 | Ford Cosworth DFV |
| Tyre | Michelin | Michelin | Michelin |
| Time | 1:16:31.61 | 1:17:07.67 | 1:17:15.30 |
| Gap | 36.06 secs | 43.69 secs |