The 1980 British Speedway Championship was the 20th edition of the British Speedway Championship. The Final took place on 4 June at Brandon in Coventry, England. The Championship was won by Dave Jessup, who scored a 15-point maximum. Former two-time champion Michael Lee finished as the runner-up, with Phil Collins in third.
Mark Courtney won the British Speedway Under 21 Championship. The final was held at Kingsmead Stadium on 12 July.