Tous les combattants
 | John Gunther | 1-1-0 UFC | #4682 |  |
 | John Halverson | 0-2-0 UFC | #5259 | |
 | John Hathaway | 7-2-0 UFC | #1470 |  |
 | John Howard | 7-7-0 UFC | #1071 | |
 | John Kolosci | 0-1-0 UFC | #6886 | |
 | John Lewis | 1-1-0 UFC | #5334 | |
 | John Lineker | 12-4-0 UFC | #523 |  |
 | John Lober | 0-1-0 UFC | #4193 | |
 | John Lopez | 0-1-0 REC | #5256 | |
 | John MaCalolooy | 0-1-0 REC | #7019 | |
 | John Maguire | 2-3-0 UFC | #3739 | |
 | John Makdessi | 11-9-0 UFC | #739 |  |
 | John Marsh | 0-1-0 UFC | #5169 | |
 | John Matua | 0-1-0 UFC | #4795 | |
 | John Mitchell | 3-2-0 REC | #3081 |  |
 | John Moore | 0-2-0 REC | #4136 | |
 | John Moraga | 8-6-0 UFC | #1270 | |
 | John Palaiologos | 1-4-0 REC | #4066 |  |
 | John Phillips | 1-5-0 UFC | #2736 |  |
 | John Polakowski | 0-1-0 UFC | #6651 | |
 | John Salter | 1-2-0 UFC | #3740 | |
 | John Sweeney | 1-1-0 REC | #5129 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3528 | |
 | John Winter | 0-1-0 REC | #7400 |  |
 | John Yannis | 1-2-0 UFC | #1112 | |