Tous les combattants
 | John Dowdy | 0-1-0 UFC | #6895 |  |
 | John Gunderson | 1-2-0 UFC | #4624 | |
 | John Gunther | 1-1-0 UFC | #4496 | |
 | John Halverson | 0-2-0 UFC | #4981 | |
 | John Hathaway | 7-2-0 UFC | #1494 |  |
 | John Howard | 7-7-0 UFC | #1076 | |
 | John Kolosci | 0-1-0 UFC | #6582 | |
 | John Lewis | 1-1-0 UFC | #5116 | |
 | John Lineker | 12-4-0 UFC | #503 |  |
 | John Lober | 0-1-0 UFC | #4066 | |
 | John Lopez | 0-1-0 REC | #5031 | |
 | John MaCalolooy | 0-1-0 REC | #6964 | |
 | John Maguire | 2-3-0 UFC | #3672 | |
 | John Makdessi | 11-9-0 UFC | #735 |  |
 | John Marsh | 0-1-0 UFC | #5034 | |
 | John Matua | 0-1-0 UFC | #4804 | |
 | John Mitchell | 3-2-0 REC | #2960 |  |
 | John Moore | 0-2-0 REC | #3970 | |
 | John Moraga | 8-6-0 UFC | #1290 | |
 | John Palaiologos | 1-4-0 REC | #4024 |  |
 | John Phillips | 1-5-0 UFC | #2691 |  |
 | John Polakowski | 0-1-0 UFC | #6356 | |
 | John Salter | 1-2-0 UFC | #3608 | |
 | John Sweeney | 1-1-0 REC | #4831 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3441 | |