| Erik SANDBACKA | SWE | 11 Races |
| George SANDULESCU | ROU | 11 Races |
| Mikita SANKO | BLR | 12 Races |
| Antía SANTIAGO | ESP | 6 Races |
| Daniele SANTINI | ITA | 47 Races |
| Francesco DI SANTO | ITA | 7 Races |
| Maria SANTOS | POR | 4 Races |
| Isaquias SANTOS | BRA | 5 Races |
| Luis SANTOS | POR | 16 Races |
| Gilmar SANTOS | BRA | 3 Races |
| Maico SANTOS | BRA | 5 Races |
| Valber SANTOS | BRA | 4 Races |
| Andre SANTOS DE OLIVEIRA | BRA | 3 Races |
| Andrea SANTOS DE OLIVEIRA | BRA | 7 Races |
| Kanti SANTYAWATI | INA | 6 Races |