Sorted alphabetically by last name · 2707 fighters
| Name | Nickname | |
|---|---|---|
| SS | Stefan Sekulic | |
| SS | Stefan Struve | "Skyscraper" |
| SB | Stephan Bonnar | "The American Psycho" |
| SE | Stephanie Egger | |
| SL | Stephanie Luciano | "Rondinha" |
| SB | Stephen Bass | "Bigfish" |
| ST | Stephen Thompson | "Wonderboy" |
| SB | Steve Berger | "The Red Nosed Pitbull" |
| SB | Steve Bosse | "The Boss" |
| SB | Steve Bruno | "Hollywood" |