Tous les combattants
 | John Howard | 7-7-0 UFC | #1069 |  |
 | John Kolosci | 0-1-0 UFC | #6851 | |
 | John Lewis | 1-1-0 UFC | #5312 | |
 | John Lineker | 12-4-0 UFC | #514 |  |
 | John Lober | 0-1-0 UFC | #4175 | |
 | John Lopez | 0-1-0 REC | #5253 | |
 | John MaCalolooy | 0-1-0 REC | #7006 | |
 | John Maguire | 2-3-0 UFC | #3726 |  |
 | John Makdessi | 11-9-0 UFC | #716 |  |
 | John Marsh | 0-1-0 UFC | #5131 | |
 | John Matua | 0-1-0 UFC | #4821 | |
 | John Mitchell | 3-2-0 REC | #3066 |  |
 | John Moore | 0-2-0 REC | #4094 | |
 | John Moraga | 8-6-0 UFC | #1268 | |
 | John Palaiologos | 1-4-0 REC | #4049 |  |
 | John Phillips | 1-5-0 UFC | #2724 |  |
 | John Polakowski | 0-1-0 UFC | #6604 | |
 | John Salter | 1-2-0 UFC | #3711 | |
 | John Sweeney | 1-1-0 REC | #5090 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3502 | |
 | John Winter | 0-1-0 REC | #7377 |  |
 | John Yannis | 1-2-0 UFC | #1083 | |
 | John-Olav Einemo | 0-2-0 UFC | #4019 |  |
 | Johnathan Waid | 1-1-0 REC | #1882 | |
 | Johnny Bedford | 2-3-0, 1NC UFC | #3365 | |