1981 Formula 1 constructors' standings

Final standings after 15 rounds.

Williams won the 1981 constructors' championship with 95 points.

Pos	Team	Drivers	Wins	Points
1	Williams	Carlos Reutemann, Alan Jones	4	95
2	Brabham	Nelson Piquet, Hector Rebaque	3	61
3	Renault	Alain Prost, René Arnoux	3	54
4	Ligier	Jacques Laffite, Patrick Tambay, Jean-Pierre Jarier, Jean-Pierre Jabouille	2	44
5	Ferrari	Gilles Villeneuve, Didier Pironi	2	34
6	McLaren	John Watson, Andrea de Cesaris	1	28
7	Team Lotus	Elio de Angelis, Nigel Mansell	0	22
8	Arrows	Riccardo Patrese, Siegfried Stohr	0	10
9	Alfa Romeo	Bruno Giacomelli, Mario Andretti	0	10
10	Tyrrell	Eddie Cheever, Michele Alboreto, Ricardo Zunino	0	10
11	Ensign	Marc Surer, Eliseo Salazar, Ricardo Londoño	0	5
12	Theodore	Marc Surer, Patrick Tambay	0	1
13	ATS	Slim Borgudd, Jan Lammers	0	1
-	March	Eliseo Salazar, Derek Daly	0	0
-	Fittipaldi	Chico Serra, Keke Rosberg	0	0
-	Osella	Eliseo Salazar, Jean-Pierre Jarier, Piercarlo Ghinzani, Beppe Gabbiani, Miguel Ángel Guerra	0	0
-	Toleman	Brian Henton, Derek Warwick	0	0