Can-Am sezona 1973 je bila osma sezona serije Can-Am, ki je potekala med 10. junijem in 28. oktobrom 1973.

Št	Dirka	Dirkališče	Datum
1	Labatt's Blue Trophy	Mosport Park	10. junij
2	Atlanta Can-Am	Road Atlanta	8. julij
3	Watkins Glen Can-Am	Watkins Glen International	22. julij
4	Buckeye Cup	Mid-Ohio Sports Car Course	12. avgust
5	Road America Can-Am	Road America	26. avgust
6	Molson Cup	Edmonton Speedway Park	16. september
7	Monterey Castrol Grand Prix	Laguna Seca Raceway	14. oktober
8	Los Angeles Times Grand Prix	Riverside International Raceway	28. oktober

Št	Dirkališče	Zmag. moštvo	Poročilo
		Zmag. dirkač
1	Mosport	#23 Rinzler Motoracing Royal Crown	Poročilo
		Charlie Kemp
2	Road Atlanta	#16 Rinzler Motoracing Royal Crown	Poročilo
		George Follmer
3	Watkins Glen	#6 Roger Penske Enterprises	Poročilo
		Mark Donohue
4	Mid-Ohio	#6 Roger Penske Enterprises	Poročilo
		Mark Donohue
5	Road America	#6 Roger Penske Enterprises	Poročilo
		Mark Donohue
6	Edmonton	#6 Sunoco Porsche+Audi	Poročilo
		Mark Donohue
7	Laguna Seca	#6 Roger Penske Enterprises	Poročilo
		Mark Donohue
8	Riverside	#6 Roger Penske Enterprises	Poročilo
		Mark Donohue

Prva deseterica dirkačev dobi prvenstvene točke po sistemu: 20-15-12-10-8-6-4-3-2-1.

Poz	Dirkač	Moštvo	Dirkalnik	Motor	1.	2.	3.	4.	5.	6.	7.	8.	Skupaj
1	Mark Donohue	Roger Penske Enterprises	Porsche 917/30	Porsche	4	15	20	20	20	20	20	20	139
2	George Follmer	Rinzler Motorracing Royal Crown	Porsche 917/10	Porsche		20		15	12	15			62
3	Hurley Haywood	Brumos Racing	Porsche 917/10	Porsche		8		12			12	15	47
4	Charlie Kemp	Rinzler Motorracing Royal Crown	Porsche 917/10	Porsche	20		10			3		12	45
5	Bob Nagel	Nagel Racing	Lola T260	Chevrolet	12	6			6	4	6	10	44
6	Jody Scheckter	Vasek Polak Racing	Porsche 917/10	Porsche		12	12		15				39
7	David Hobbs	Roy Woods Racing	McLaren M20	Chevrolet		10	15			10	2		37
8	Scooter Patrick	U.S. Racing	McLaren M8F	Chevrolet	10		1		10	6	3	1	31
9	Jackie Oliver	Don Nichols	Shadow DN2	Chevrolet				3		12	15		30
10	Steve Durst	Vasek Polak Racing Motschenbacher Racing	Porsche 917/10 McLaren M8F	Porsche Chevrolet	8	4	4	1		8	1	3	29
11	Bobby Brown	Commander Motor Homes	McLaren M8F	Chevrolet				8	8		10		26
12	Milt Minter	Commander Motor Homes Otto Zipper Alfa Racing	McLaren M8F Alfa Romeo T33/3	Chevrolet Alfa Romeo							8	8	16
13	Hans Wiedmer	Hans Wiedmer	Porsche 917/10	Porsche	15								15
14	Tom Dutton	Burmester Racing	McLaren M8C	Chevrolet			6	4		1		4	15
15	John Cannon	Motschenbacher Racing Commander Motor Homes	McLaren M8F McLaren M20	Chevrolet	6		8						14
16	Derek Bell	Motschenbacher Racing	McLaren M8F	Chevrolet				10					10
17	Bob Peckham	Bob Peckham	McLaren M8C	Chevrolet							4	6	10
18	Danny Hopkins	Commander Motor Homes	McLaren M8F	Chevrolet				6	2				8
19	Tom Heyser	Tom Heyser	Lola T260	Chevrolet		3	3		1				7
20	Gary Wilson	Gary Wilson	McLaren M8E	Chevrolet				2	4				6
21	Ed Felter	Blue Magic Corporation	McLaren M8E	Chevrolet	3	1							4
22	John Cordts	William Overhauser Racing	McLaren M8D	Chevrolet	2					2			4
23	Warren Agor	Warren Agor Racing	McLaren M8FP	Chevrolet					3				3
24	Pete Sherman	Dave Causey	McLaren M8F	Chevrolet	1	2							3
25=	Peter Gregg	Brumos Racing	Porsche Carrera RSR	Porsche			2						2
25=	Hans Müller-Perschl	Hans Müller-Perschl	KWM SP20	Porsche								2	2