Sorted alphabetically by last name · 2765 fighters
| Name | Nickname | |
|---|---|---|
| BA | Ben Askren | "Funky" |
| BE | Ben Earwood | |
| BJ | Ben Johnston | |
| BN | Ben Nguyen | "Ten" |
| BR | Ben Rothwell | |
| BS | Ben Saunders | "Killa B" |
| BS | Ben Sosoli | "Combat Wombat" |
| BW | Ben Wall |
| "Manimal" |
| BS | Benardo Sopaj | "Lion King" |
| BD | Beneil Dariush |