1980 Australian Sports Sedan Championship

The 1980 Australian Sports Sedan Championship was open to drivers of Sports Sedans complying with CAMS Group B regulations. The title was contested over an eleven-round series

• Round 1, Oran Park Raceway, New South Wales, 23 March
• Round 2, Winton Motor Raceway, Victoria, 4 May
• Round 3, Amaroo Park, New South Wales, 25 May
• Round 4, Wanneroo Park, Western Australia, 8 June
• Round 5, Lakeside International Raceway, Queensland, 22 June
• Round 6, Calder Park Raceway, Victoria, 3 August
• Round 7, Surfers Paradise, Queensland, 31 August
• Round 8, Symmons Plains, Tasmania, 21 September
• Round 9, Baskerville, Tasmania, 12 October
• Round 10, The Advertiser Sports Sedan Challenge, Adelaide International Raceway, South Australia, 19 October
• Round 11, Sandown Raceway, Victoria, 14 December

Points were awarded on a 9-6-4-3-2-1 basis to the top six outright placegetters in each round. Only the best nine scores could be retained by each driver although this had no effect on the nett pointscores.