The 2007 V8 Supercar season featured the ninth V8 Supercar Championship Series which began on 1 March and concluded on 2 December. This championship consisted of 14 rounds covering all states and the Northern Territory of Australia as well as rounds in New Zealand and Bahrain. The series also carried the Australian Touring Car Championship title, which was awarded by CAMS for the 48th time in 2007.

The Supercars Championship currently known as the Repco Supercars Championship under sponsorship, is a touring car racing category in Australia and New Zealand, running as an International Series under Fédération Internationale de l'Automobile (FIA) regulations, governing the sport.