Tous les combattants
 | Bristol Marunde | 0-2-0 UFC | #4291 |  |
 | British Boloyoang | 0-1-0 REC | #5319 |  |
 | Brittany Camozzi | 0-2-0 REC | #7202 | |
 | Brittney Cloudy | 0-4-0 REC | #4022 | |
 | Brittney Elkin | 0-2-0 REC | #4395 | |
 | Briven Sullivan | 1-0-0 REC | #1983 | |
 | Brock Jardine | 0-2-0 UFC | #6600 | |
 | Brock Larson | 3-3-0 UFC | #3307 | |
 | Brock Lesnar | 4-3-0, 1NC UFC | #485 | |
 | Brodie Farber | 0-2-0 UFC | #5461 | |
 | Brogan Walker | 0-3-0 UFC | #3112 | |
 | Brok Hopwood | 0-1-0 REC | #6173 | |
 | Brok Weaver | 1-2-0 UFC | #4163 | |
 | Bruce Bouisson | 1-0-0 REC | #7894 |  |
 | Bruce Souto | 1-2-0 REC | #5226 |  |
 | Bruna Brasil | 3-5-0 UFC | #1359 | |
 | Bruna Ellen | 1-2-0 REC | #5556 | |
 | Brunno Ferreira | 6-4-0 UFC | #541 | |
 | Bruno Assis | 0-2-0 REC | #5916 | |
 | Bruno Azevedo | 1-1-0 REC | #4796 | |
 | Bruno Cappelozza | 6-2-0, 1NC REC | #891 | |
 | Bruno Carvalho | 0-1-0 REC | #4707 |  |
 | Bruno Fontes | 0-1-0 REC | #6808 | |
 | Bruno Guimaraes | 0-1-0 REC | #5901 | |
 | Bruno Henrique | 1-0-0 REC | #3451 | |