The 1976 RAC Keith Prowse British Saloon Car Championship was the 19th season of the series. That year saw a change in the class structure, with a limit of 3000cc engines being brought in, to stop the large American V8 cars competing in the championship. Bernard Unett regained the drivers title he last won in 1974, again driving a now renamed Chrysler Avenger GT.
Cars competed in four engine capacity classes:
All races were held in the United Kingdom. Overall winners in bold.