IROC V

{{Short description|Motor car races held in 1977–1978}}

{{Use mdy dates|date=February 2025}}

{{Motorsport season

| series = International Race of Champions

| year = 1977–78

| previous = 1976–77

| next = 1978–79

| previouslink = IROC IV

| nextlink = IROC VI

}}

File:Al Unser - 2015 500 Festival - Sarah Stierch.jpg won the IROC V championship]]

IROC V was the fifth year of IROC competition, which took place over three weekends in 1977 and 1978. It saw the use of the Chevrolet Camaro in all races, and the schedule was held over in its entirety from IROC IV. Al Unser won two races en route to the championship and $50,000.

The roster of drivers and final points standings were as follows:[http://www.racing-reference.info/raceyear?yr=1978&series=I IROC season statistics at racing-reference.info], Retrieved March 8, 2007

class="wikitable" !Rank !Driver !Winnings !Series
1	{{flagicon|United States}} Al Unser	$50,000	USAC Champ Car
2	{{flagicon|United States}} Mario Andretti	$26,000	Formula One
3	{{flagicon|United States}} Darrell Waltrip	$23,000	NASCAR Winston Cup
4	{{flagicon|United States}} Cale Yarborough	$23,000	NASCAR Winston Cup
5	{{flagicon|USA}} Richard Petty	$20,000	NASCAR Winston Cup
6	{{flagicon|United States}} Gordon Johncock	$17,500	USAC Champ Car
7	{{flagicon|United States}} Benny Parsons{{tooltip|All|Gunnar Nilsson did not compete in the Daytona finale due to illness. He was replaced by Benny Parsons, who had not previously made the 9 driver cut to compete in Daytona}}	$16,000	NASCAR Winston Cup
8	{{flagicon|Belgium}} Jacky Ickx	$15,000	Formula One
9	{{flagicon|USA}} Johnny Rutherford	$12,000	USAC Champ Car
10	{{flagicon|Sweden}} Gunnar Nilsson{{tooltip|3|1-3, Gunnar Nilsson did not compete in the Daytona finale due to illness. He was replaced by Benny Parsons, who had not previously made the 9 driver cut to compete in Daytona}}	$7,500	Formula One
11	{{flagicon|USA}} Tom Sneva	$7,500	USAC Champ Car
12	{{flagicon|USA}} Al Holbert	$7,500	IMSA Camel GT