Tous les combattants
 | Jamshed Ganiev | 2-0-0 REC | #1038 |  |
 | Jamshid Tilyaev | #7875 |  | |
 | Jan Blachowicz | 12-8-2 UFC | #68 |  |
 | Jan Cieplowski | 1-1-0 REC | #2528 | |
 | Jan Fajk | 2-1-0 REC | #4839 |  |
 | Jan Gottvald | 1-0-0 REC | #7307 | |
 | Jan Holzer | 1-0-0 REC | #1079 |  |
 | Jan Malach | 4-7-0 REC | #821 | |
 | Jan Masek | 2-3-0 REC | #2084 | |
 | Jan Quaeyhaegens | 3-1-0 REC | #3808 |  |
 | Jan Siroky | 3-7-0 REC | #3233 | |
 | Jan Stanovsky | 3-2-0 REC | #892 | |
 | Jan Stastny | #8091 | | |
 | Janaina Silva | 0-3-0 REC | #3978 |  |
 | Janaisa Morandin | 0-2-0 REC | #4887 | |
 | Janay Harding | 0-2-0 REC | #5171 |  |
 | Janderson Barreto | 0-1-0 REC | #5321 | |
 | Jane Osigwe | 0-1-0 REC | #5327 |  |
 | Janne Elonen-Kulmala | 0-4-0 REC | #4782 |  |
 | Jansey Silva | 0-1-0 REC | #7082 | |
 | Jaqueline Amorim | 5-2-0 UFC | #395 | |
 | Jaqueline Ferreira | #7742 | | |
 | Jared Braun | 0-2-0 REC | #4265 |  |
 | Jared Cannonier | 11-9-0 UFC | #204 | |
 | Jared Ferrera | 0-1-0 REC | #7113 | |