Sorted alphabetically by last name · 2767 fighters
| Name | Nickname | |
|---|---|---|
| SB | Shayna Baszler | "The Queen of Spades" |
| SG | Sheila Gaff | "The German Tank" |
| SW | Sheldon Westcott | |
| SR | Shem Rock | |
| SP | Sherman Pendergarst | "The Tank" |
| SM | Sheymon Moraes | |
| SM | Shi Ming | |
| SA |
| "Animal" |
| SC | Shonie Carter | "Mr. International" |
| SS | Shunichi Shimizu |