Sorted alphabetically by last name · 2715 fighters
| Name | Nickname | |
|---|---|---|
| JQ | Jimmy Quinlan | "Crash" |
| JH | Jimy Hettes | "The Kid" |
| JS | Jin Soo Son | |
| JY | Jinh Yu Frey | |
| JP | Jiri Prochazka | |
| JC | Joachim Christensen | |
| JB | Joanderson Brito | "Tubarao" |
| JJ | Joanna Jedrzejczyk | |
| JW | Joanne Wood | "JoJo" |
| JP | Joao Pierini |