Combattants Etats-Unis
| 1376 |  | Joshua Simpson | 1-0-0 REC | #3876 |  |
| 1377 |  | Joshua Weems | 0-1-0 UFC | #3582 | |
| 1378 |  | Josiah Harrell | 0-1-0 UFC | #1455 | |
| 1379 |  | Josiah Reyes | 1-1-0 REC | #5366 | |
| 1380 |  | Jota Ninomiya | 0-1-0 REC | #7349 | |
| 1381 |  | Journey Newson | 1-4-0, 1NC UFC | #3278 | |
| 1382 |  | Joy Pendell | 2-1-0 REC | #2647 | |
| 1383 |  | Jozette Cotton | 0-1-0 REC | #6677 | |
| 1384 |  | JR Coughran | 0-1-0 REC | #7081 | |
| 1385 |  | Juan Adams | 1-3-0 UFC | #3527 | |
| 1386 |  | Juan Archuleta | 2-2-0 REC | #4475 | |
| 1387 |  | Juan Puerta | 1-0-0 REC | #6985 | |
| 1388 |  | Juan Velasquez Jr. | #6927 | | |
| 1389 |  | Juanita Shingles | #8001 | | |
| 1390 |  | Jules Bruchez | 0-1-0 UFC | #7110 | |
| 1391 |  | Julia Avila | 3-3-0 UFC | #2298 | |
| 1392 |  | Julian Erosa | 9-9-0 UFC | #558 | |
| 1393 |  | Julian Marquez | 3-5-0 UFC | #1985 | |
| 1394 |  | Julian Orozco | #7865 | | |
| 1395 |  | Julian Ruiz | 0-1-0 REC | #6610 | |
| 1396 |  | Julian Sanchez | 0-1-0 UFC | #5784 | |
| 1397 |  | Juliana Miller | 2-3-0 UFC | #1917 | |
| 1398 |  | Julianna Pena | 8-4-0 UFC | #56 | |
| 1399 |  | Julie Kedzie | 0-2-0 UFC | #5412 | |
| 1400 |  | Julio Arce | 6-4-0 UFC | #1399 | |