1981 F1 Constructors' Championship Standings

Pos	Constructor	Nationality	Races	Wins	Podiums	Points	Gapi
1Detail	Williams	British	15	4	13	95	—
2Detail	Brabham	British	15	3	7	61	−34
3Detail	Renault	French	15	3	7	54	−41
4Detail	Ligier	French	15	2	7	44	−51
5Detail	Ferrari	Italian	15	2	3	34	−61
6Detail	McLaren	British	15	1	4	28	−67
7Detail	Team Lotus	British	15	0	1	22	−73
8Detail	Arrows	British	15	0	2	10	−85
9Detail	Alfa Romeo	Italian	15	0	1	10	−85
10Detail	Tyrrell	British	15	0	0	10	−85
11Detail	Ensign	British	14	0	0	5	−90
12Detail	Theodore	Hong Kong	13	0	0	1	−94
13Detail	ATS	Italian	9	0	0	1	−94
14Detail	March	British	9	0	0	0	−95
15Detail	Fittipaldi	Brazilian	9	0	0	0	−95
16Detail	Osella	Italian	10	0	0	0	−95
17Detail	Toleman	British	2	0	0	0	−95

Pos	Constructor	Nationality	Races	Wins	Podiums	Points	Gapi
1Detail	Williams	British	15	4	13	95	—
2Detail	Brabham	British	15	3	7	61	−34
3Detail	Renault	French	15	3	7	54	−41
4Detail	Ligier	French	15	2	7	44	−51
5Detail	Ferrari	Italian	15	2	3	34	−61
6Detail	McLaren	British	15	1	4	28	−67
7Detail	Team Lotus	British	15	0	1	22	−73
8Detail	Arrows	British	15	0	2	10	−85
9Detail	Alfa Romeo	Italian	15	0	1	10	−85
10Detail	Tyrrell	British	15	0	0	10	−85
11Detail	Ensign	British	14	0	0	5	−90
12Detail	Theodore	Hong Kong	13	0	0	1	−94
13Detail	ATS	Italian	9	0	0	1	−94
14Detail	March	British	9	0	0	0	−95
15Detail	Fittipaldi	Brazilian	9	0	0	0	−95
16Detail	Osella	Italian	10	0	0	0	−95
17Detail	Toleman	British	2	0	0	0	−95