Tous les combattants
 | Bogdan Grad | 1-2-0 UFC | #1750 |  |
 | Bogdan Guskov | 4-1-1 UFC | #331 |  |
 | Bogdan Plutakhin | 3-0-0 REC | #787 |  |
 | Bogdan Stoica | 0-1-0 REC | #6434 | |
 | Bojan Mihajlovic | 0-3-0 UFC | #3818 |  |
 | Bojan Velickovic | 2-3-1 UFC | #1008 | |
 | Bolaji Oki | 2-3-0 UFC | #814 |  |
 | Borena Tsertsvadze | 0-1-0 REC | #3668 |  |
 | Boris Atangana | 3-0-0 REC | #877 | |
 | Borja Garcia | 1-0-0 REC | #1857 |  |
 | Borys Borkowski | 0-3-0 REC | #5098 |  |
 | Borys Dzikowski | 3-4-0 REC | #2650 | |
 | Borys Mankowski | 0-1-0 REC | #7080 | |
 | Boston Debord | 0-1-0 REC | #7691 |  |
 | Boston Salmon | 0-2-0 UFC | #3486 |  |
 | Boualem Drissi | 0-1-0 REC | #4450 |  |
| Bouali Skikem | 0-1-0 REC | #7683 | |
 | Boubacar Niakate | 0-1-0 REC | #4089 | |
 | Boubacar Oumarou | 3-1-0 REC | #3517 |  |
 | Boule Godogo | 1-1-0 REC | #2518 |  |
 | Bourama Camara | 2-4-0 REC | #3388 | |
 | Bozigit Ataev | 3-4-1 REC | #3478 | |
 | Brad Blackburn | 3-2-0 UFC | #3131 | |
| Brad Camps | 0-1-0 REC | #5982 |  |
 | Brad Gumm | 0-1-1 UFC | #6153 | |