The 1988 Australian Sports Car Championship was a CAMS sanctioned motor racing competition open to Group 2A Sports Cars (including Clubman cars at the sole discretion of CAMS), FISA C1 cars (up to 6 litres), FISA C2 cars (up to 5 litres) and Sports Sedans. The title, which was the 20th Australian Sports Car Championship, was contested over a four round series and was won by Alan Nolan, driving a Nola Chevrolet.
As of 2014 this is the final Australian Sports Car Championship contested.
The championship was contested over a four round series with one race per round.
A fifth round, scheduled to be held at Calder Park, did not take place.
Competing cars were classified into one of three engine displacement classes:
Championship points were awarded on a three tier system to the first twenty finishers in each round.