Tous les combattants
 | Jamie Pickett | 2-7-0 UFC | #2355 |  |
 | Jamie Richardson | 0-3-0 REC | #5556 |  |
 | Jamie Siraj | 0-1-0 UFC | #4167 |  |
 | Jamie Varner | 3-6-0 UFC | #2924 | |
 | Jamie Yager | 0-1-0 UFC | #5721 | |
 | Jamshed Ganiev | 2-0-0 REC | #1655 |  |
 | Jamshid Tilyaev | #8119 |  | |
 | Jan Blachowicz | 12-9-2 UFC | #183 |  |
 | Jan Cieplowski | 1-1-0 REC | #3008 | |
 | Jan Fajk | 2-1-0 REC | #5242 |  |
 | Jan Gottvald | 1-0-0 REC | #7392 | |
 | Jan Holzer | 1-0-0 REC | #1721 |  |
 | Jan Malach | 4-7-0 REC | #1286 | |
 | Jan Masek | 2-3-0 REC | #2483 | |
 | Jan Quaeyhaegens | 3-1-0 REC | #4054 |  |
 | Jan Siroky | 3-7-0 REC | #3445 | |
 | Jan Stanovsky | 3-2-0 REC | #1467 | |
 | Jan Stastny | #8102 | | |
 | Janaina Silva | 0-3-0 REC | #4258 |  |
 | Janaisa Morandin | 0-2-0 REC | #5203 | |
 | Janay Harding | 0-2-0 REC | #5416 |  |
 | Janderson Barreto | 0-1-0 REC | #5711 | |
 | Jane Osigwe | 0-1-0 REC | #4807 |  |
 | Janne Elonen-Kulmala | 0-4-0 REC | #4873 |  |
 | Jansey Silva | 0-1-0 REC | #7437 | |