Velika nagrada Belgije 1981 je bila peta dirka Svetovnega prvenstva Formule 1 v sezoni 1981. Odvijala se je 17. maja 1981.
Dirka
! 1 | 2 | Carlos Reutemann | Williams-Ford | 54 | 1:16:31,61 | 1 | 9 |- ! 2 | 26 | Jacques Laffite | Ligier-Matra | 54 | + 36,06 s | 9 | 6 |- ! 3 | 12 | Nigel Mansell | Lotus-Ford | 54 | + 43,69 s | 10 | 4 |- ! 4 | 27 | Gilles Villeneuve | Ferrari | 54 | + 47,64 s | 7 | 3 |- ! 5 | 11 | Elio de Angelis | Lotus-Ford | 54 | + 49,20 s | 14 | 2 |- ! 6 | 3 | Eddie Cheever | Tyrrell-Ford | 54 | + 52,51 s | 8 | 1 |- ! 7 | 7 | John Watson | McLaren-Ford | 54 | + 1:01,66 | 5
! 8 | 28 | Didier Pironi | Ferrari | 54 | + 1:32,04 | 3
! 9 | 23 | Bruno Giacomelli | Alfa Romeo | 54 | + 1:35,58 | 17
! 10 | 22 | Mario Andretti | Alfa Romeo | 53 | +1 krog | 18
! 11 | 14 | Marc Surer | Ensign-Ford | 52 | +2 kroga | 15
! 12 | 4 | Michele Alboreto | Tyrrell-Ford | 52 | +2 kroga | 19
! 13 | 31 | Piercarlo Ghinzani | Osella-Ford | 50 | +4 krogi | 24
! Ods | 6 | Hector Rebaque | Brabham-Ford | 39 | Trčenje | 21
! Ods | 25 | Jean-Pierre Jabouille | Ligier-Matra | 35 | Prenos | 16
! Ods | 21 | Chico Serra | Fittipaldi-Ford | 29 | Motor | 20
! Ods | 32 | Beppe Gabbiani | Osella-Ford | 22 | Motor | 22
! Ods | 1 | Alan Jones | Williams-Ford | 19 | Trčenje | 6
! Ods | 8 | Andrea de Cesaris | McLaren-Ford | 11 | Menjalnik | 23
! Ods | 5 | Nelson Piquet | Brabham-Ford | 10 | Trčenje | 2
! Ods | 20 | Keke Rosberg | Fittipaldi-Ford | 10 | Menjalnik | 11
! Ods | 15 | Alain Prost | Renault | 2 | Sklopka | 12
! Ods | 29 | Riccardo Patrese | Arrows-Ford | 0 | Trčenje | 4
! Ods | 30 | Siegfried Stohr | Arrows-Ford | 0 | Trčenje | 13
! DNQ | 18 | Derek Daly | March-Ford
! DNQ | 16 | René Arnoux | Renault
! DNQ | 17 | Eliseo Salazar | March-Ford
! DNQ | 9 | Slim Borgudd | ATS-Ford
! DNQ | 33 | Patrick Tambay | Theodore-Ford
! DNQ | 36 | Derek Warwick | Toleman-Hart
! DNQ | 35 | Brian Henton | Toleman-Hart
Opombe Najhitrejši krog: Carlos Reutemann 1'23.300
Kategorija:Formula 1 sezona 1981 1981