Sorted alphabetically by last name · 2769 fighters
| Name | Nickname | |
|---|---|---|
| JS | Josh Shockman | "The War Hammer" |
| JS | Josh Stansbury | "The Sandman" |
| JS | Josh Stuart | |
| JT | Josh Thomson | "The Punk" |
| JB | Joshua Burkman | "The People's Warrior" |
| JV | Joshua Van | "The Fearless" |
| JW | Joshua Weems | "Wide Open" |
| JH |
| Josiah Harrell |
| "The Muscle Hamster" |
| JN | Josiane Nunes | "Josi" |
| JM | Josias Musasa | "The KO Wizard" |