1983 British Speedway Championship
The 1983 British Speedway Championship was the 23rd edition of the British Speedway Championship. The Final took place on 1 June at Brandon in Coventry, England. The Championship was won by Chris Morton, with Michael Lee second and Andy Grahame, who was the champion in the previous edition, winning a run-off against Kenny Carter, Peter Collins and John Davis for third.
British Final
British Under 21 final
Keith Millard won the British Speedway Under 21 Championship. The final was held at Kingsmead Stadium on 30 July.| Pos. | Rider | Points |
| 1 | Keith Millard | 13+3 |
| 2 | Simon Cross | 13+2 |
| 3 | Kenny McKinna | 12 |
| 4 | Paul Stead | 11 |
| 5 | Marvyn Cox | 9 |
| 6 | Kelvin Tatum | 9 |
| 7 | Paul Clarke | 7 |
| 8 | Alun Rossiter | 7 |
| 9 | Jamie Luckhurst | 7 |
| 10 | Kevin Price | 7 |
| 11 | Carl Baldwin | 6 |
| 12 | Carl Blackbird | 6 |
| 13 | Andy Smith | 5 |
| 14 | Julian Parr | 3 |
| 15 | Jeremy Luckhurst | 3 |
| 16 | John Frankland | 0 |
| 17 | Gary O'Hare | 0 |
| 18 | Jay Pleece | 0 |