2021 British Superbike Championship
The 2021 British Superbike Championship season was the 34th British Superbike Championship season. Josh Brookes started the season as the reigning champion. The playoff system was reinstituted.
Playoff Changes
The playoff will now consist of eight riders instead of six.Championship standings
Riders' championship
;Scoring systemPoints are awarded to the top fifteen finishers. A rider has to finish the race to earn points.
| Position | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th | 13th | 14th | 15th |
| Points | 25 | 20 | 16 | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |