The 1977 Australian Sports Sedan Championship was a CAMS sanctioned national motor racing title for drivers of Sports Sedans complying with Group B regulations.^[1]

The championship was contested over a seven-round series.

• Round 1, Oran Park, New South Wales, 1 May
• Round 2, Surfers Paradise, Queensland, 15 May
• Round 3, Wanneroo Park, Western Australia, 12 June
• Round 4, Sandown Park, Victoria, 3 July
• Round 5, Calder Raceway, Victoria, 7 August
• Round 6, Adelaide International Raceway, South Australia, 21 August
• Round 7, Symmons Plains, Tasmania, 18 September

Round 1 was conducted as a single race and all other rounds were contested over two heats.^[2]

Championship points were awarded on a 9–6–4–3–2–1 basis to the top six placegetters in each round. Only the best six round results for each driver were counted. Where rounds were run over two heats, results were determined by awarding round points on a 20–16–13–11–10–9–8–7–6–5–4–3–2–1 basis to the top fourteen placegetters in each heat. Where round points were tied, the relevant round placing was awarded to the driver attaining the higher position in the second heat.^[1]

^[2]

• Australian Competition Yearbook, 1978
• Chequered Flag, August 1977, pp. 19–20 (Sandown round report)
• Official Programme, Adelaide International Raceway, 14 August 1977
• The Australian Racing History of Ford, 1989
• The Mercury, Monday, 19 September 1997, p. 19 (Symmons round report)
• The Official Racing History of Holden, 1988

• CAMS Manual of Motor Sport, Records, Titles & Awards
• Autopics 1977 images, including Sports Sedans