Sorted alphabetically by last name · 2707 fighters
| Name | Nickname | |
|---|---|---|
| SH | Saeed Hosseini | |
| SN | Sage Northcutt | "Super" |
| SW | Sai Wang | "The Fire Kylin" |
| SN | Said Nurmagomedov | |
| SK | Saidyokub Kakhramonov | |
| SO | Saimon Oliveira | |
| SC | Sako Chivitchian | |
| ST | Salim Touahri | "Grizzly" |
| SA | Sam Adkins | "The Experience" |
| SA | Sam Alvey | "Smile'N" |