2021 Supersport World Championship
The 2021 Supersport World Championship was the 25th season of the Supersport World Championship, the twenty-third held under this name. The championship was won by Dominique Aegerter.
Entry list
Championship standings
;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 |