1978 British Speedway Championship

The 1978 British Speedway Championship was the 18th edition of the British Speedway Championship. The Final took place on 16 August at Brandon Stadium in Coventry, England. The Championship was won by Michael Lee.

The British Under 21 Championship was won by Phil Collins.

British Final

 * 16 August 1978, Brandon Stadium, Coventry

British Under 21 final

 * 24 June 1978, Rye House Stadium, Hoddesdon