| Nicolás SPRIMONT | ESP | 5 Races |
| Ilie SPRÎNCEAN | MLD | 52 Races |
| Filip SPRUŠANSKÝ | SVK | 6 Races |
| Francesco SPURIO | ITA | 7 Races |
| Aditep SRICHART | THA | 7 Races |
| Mr. Aditep SRICHART | THA | 4 Races |
| Chayanin SRIPADUNG | THA | 3 Races |
| Tomas SRIVKINAS | LTU | 5 Races |
| Bartosz STABNO | POL | 44 Races |
| Karen STALMANS | BEL | 3 Races |
| Staniliya STAMENOVA | BUL | 20 Races |
| Guy STANDEVEN | GBR | 3 Races |
| Nemanja STANIVUKOVIC | SRB | 10 Races |
| Uladzislau STANKEVICH | BLR | 4 Races |
| Adam STANNARD | GBR | 2 Races |