Poids Mi-Lourds Hommes
 | Jake Rosholt | 1-2-0 UFC | #4631 |  |
 | Jamahal Hill | 6-4-0, 1NC UFC | #150 | |
 | James Hammortree | 0-1-0 UFC | #6412 | |
 | James Lee | 0-1-0 UFC | #5666 | |
 | James McSweeney | 1-2-0 UFC | #4500 |  |
 | Jan Blachowicz | 12-8-2 UFC | #66 |  |
 | Jared Hamman | 2-5-0 UFC | #3519 | |
 | Jason Brilz | 3-4-0 UFC | #3280 | |
 | Jason DeLucia | 2-2-0 UFC | #3503 | |
 | Jason Lambert | 4-4-0 UFC | #2783 | |
 | Jeff Newton | 0-1-0 UFC | #6874 | |
 | Jeremy Kimball | 1-3-0 UFC | #2844 | |
 | Jermaine Andre | 0-1-0 UFC | #6155 | |
 | Jerry Bohlander | 5-2-0 UFC | #2494 | |
 | Jimi Manuwa | 6-6-0 UFC | #1674 | |
 | Jimmy Crute | 6-4-2 UFC | #842 |  |
 | Jiri Prochazka | 6-3-0 UFC | #70 |  |
 | Joachim Christensen | 1-3-0 UFC | #3878 |  |
 | Joe Moreira | 1-1-0 UFC | #4591 |  |
 | Joe Slick | 1-1-0 UFC | #5088 | |