Sorted alphabetically by last name · 2767 fighters
| Name | Nickname | |
|---|---|---|
| SS | Sebastian Szalay | "Seb" |
| SD | Sedriques Dumas | "The Reaper" |
| SS | Semmy Schilt | "Hightower" |
| SH | Seo Hee Ham | |
| SK | Seokhyeon Ko | "Technical" |
| SP | Sergei Pavlovich | |
| SK | Sergey Khandozhko | "Honda" |
| SM |
| Sergey Morozov |
| SS | Serghei Spivac | "Polar Bear" |
| SM | Sergio Moraes | "The Panther" |