Poids Légers Hommes
 | Joe Veres | 0-2-0 UFC | #4256 |  |
 | Joel Galarza Lopez | 0-1-0 REC | #6715 | |
 | Joey Gilbert | 0-1-0 UFC | #6235 | |
 | John Alessio | 0-5-0 UFC | #2987 |  |
 | John Cholish | 1-2-0 UFC | #4371 | |
 | John Gunther | 1-1-0 UFC | #4266 | |
 | John Halverson | 0-2-0 UFC | #4712 | |
 | John Kolosci | 0-1-0 UFC | #6542 | |
 | John Lewis | 1-1-0 UFC | #4851 | |
 | John Makdessi | 11-9-0 UFC | #701 | |
 | John Mitchell | 3-2-0 REC | #2765 |  |
 | John Polakowski | 0-1-0 UFC | #6024 | |
 | Johnathan Waid | 1-1-0 REC | #1141 | |
 | Johnny Case | 4-2-0 UFC | #2273 | |
 | Johnny Hopper | 0-1-0 REC | #6237 | |
 | Jonatan Garcia | 0-1-0 REC | #4584 |  |
 | Jordan Cheron | 0-1-0 REC | #6706 |  |
 | Jordan Little | 1-0-0, 1NC REC | #5944 |  |
 | Jordan Rinaldi | 2-3-0 UFC | #3658 | |
 | Jordan Stronge | 2-1-0 REC | #2451 |  |