Sorted alphabetically by last name · 2780 fighters
| Name | Nickname | |
|---|---|---|
| RT | Ryan Thomas | "The Tank Engine" |
| RC | Ryo Chonan | "Piranah" |
| SH | Sabah Homasi | |
| SM | Sabina Mazo | "Colombian Queen" |
| SH | Saeed Hosseini | |
| SN | Sage Northcutt | "Super" |
| SW | Sai Wang | "The Fire Kylin" |
| SN | Said Nurmagomedov |
| SK | Saidyokub Kakhramonov |
| SO | Saimon Oliveira |