Tous les combattants
 | John-Olav Einemo | 0-2-0 UFC | #4030 |  |
 | Johnathan Waid | 1-1-0 REC | #1920 |  |
 | Johnny Bedford | 2-3-0, 1NC UFC | #3389 | |
 | Johnny Campbell | 0-1-0 REC | #6933 | |
 | Johnny Case | 4-2-0 UFC | #501 | |
 | Johnny Eblen | 8-1-0 REC | #269 | |
 | Johnny Eduardo | 3-5-0 UFC | #2992 |  |
 | Johnny Gill | 1-1-0 REC | #6185 | |
 | Johnny Hopper | 0-1-0 REC | #6550 | |
 | Johnny Munoz Jr | 2-4-0 UFC | #3294 | |
 | Johnny Rees | 0-2-0 UFC | #5896 | |
 | Johnny Rhodes | 2-1-0 UFC | #4067 | |
 | Johnny Robles | 1-0-0 REC | #3714 | |
 | Johnny Soto | 0-1-0 REC | #7816 | |
 | Johnny Walker | 8-7-0, 1NC UFC | #310 | |
 | Johny Hendricks | 13-8-0 UFC | #315 | |
 | Joice Mara | #7140 | | |
 | Joilton Lutterbach | 0-3-0 REC | #4072 | |
 | Joji Goto | 4-1-0 REC | #327 |  |
 | Jon Cunningham | 0-1-0 REC | #7141 | |
 | Jon delos Reyes | 1-3-0 UFC | #3878 |  |
 | Jon Fitch | 14-3-1 UFC | #246 | |
 | Jon Gover | 0-1-0 REC | #7743 | |
 | Jon Hess | 1-0-0 UFC | #5440 | |
 | Jon Jones | 22-1-0, 1NC UFC | #5 | |