Poids Moyens Hommes
 | Jordan Williams | 0-3-0 UFC | #2467 |  |
 | Jorge Rivera | 8-7-0 UFC | #1298 | |
 | Jose Medina | 0-4-0 UFC | #1679 |  |
 | Joseph Holmes | 1-3-0 UFC | #3253 | |
 | Josh Bryant | 0-1-0 UFC | #4765 | |
 | Josh Fremd | 2-4-0 UFC | #2688 | |
 | Josh Haynes | 0-3-0 UFC | #3805 | |
 | Josh Samman | 3-2-0 UFC | #3034 | |
 | Jules Bruchez | 0-1-0 UFC | #6615 | |
 | Julian Marquez | 3-5-0 UFC | #1773 | |
 | Jun Yong Park | 9-4-0 UFC | #482 |  |
 | Justin Levens | 0-2-0 UFC | #5348 | |
 | Karl Roberson | 4-6-0 UFC | #1938 | |
 | Kazuhiro Nakamura | 0-2-0 UFC | #4570 |  |
 | KB Bhullar | 0-2-0 UFC | #5126 |  |
 | Keiichiro Yamamiya | 0-1-0 UFC | #6623 | |
 | Keith Jardine | 6-7-0 UFC | #1614 | |
 | Keith Rockel | 1-1-0 UFC | #5173 | |
 | Kelvin Gastelum | 14-10-0, 1NC UFC | #199 | |
 | Kendall Grove | 7-6-0 UFC | #1638 | |