Combattants Etats-Unis
| 1451 |  | K.J. Noons | 2-3-0, 1NC UFC | #3504 |  |
| 1452 |  | Kadyn Marcantel | 0-1-0 REC | #7456 | |
| 1453 |  | Kai Kamaka III | 2-3-1 UFC | #686 | |
| 1454 |  | Kailin Curran | 1-6-0 UFC | #3211 | |
| 1455 |  | Kaitlin Young | 2-3-0 REC | #4057 | |
| 1456 |  | Kaleio Romero | 0-1-0 REC | #7251 | |
| 1457 |  | Kaleo Meheula | #7492 | | |
| 1458 |  | Kali Robbins | 0-1-0 REC | #6418 | |
| 1459 |  | Kamuela Kirk | 1-2-0 UFC | #3828 | |
| 1460 | | Kanean Catron | 1-0-0 REC | #1650 | |
| 1461 |  | Kara Marie Vislosky | 0-1-0 REC | #6569 | |
| 1462 |  | Karl Reed | 0-2-0 REC | #6304 | |
| 1463 |  | Karl Roberson | 4-6-0 UFC | #2099 | |
| 1464 |  | Karo Parisyan | 8-4-0, 1NC UFC | #1216 | |
| 1465 | | Kase Tucker | #7980 | | |
| 1466 |  | Kasey Tanner | 3-1-0 REC | #2208 | |
| 1467 |  | Kassius Kayne | 0-1-0 REC | #7818 | |
| 1468 |  | Katarina Legorreta | 0-1-0 REC | #6063 | |
| 1469 |  | Katherine Corogenes | 0-2-0 REC | #6672 | |
| 1470 |  | Kathryn Paprocki | 0-1-0 REC | #7123 | |
| 1471 |  | Katie Perez | 0-3-0 REC | #3597 | |
| 1472 |  | Katlyn Cerminara | 11-6-0 UFC | #520 | |
| 1473 |  | Kay Hansen | 1-3-0 UFC | #3226 | |
| 1474 |  | Kayara Hartfield | 1-0-0 REC | #1535 | |
| 1475 |  | Kayla Harrison | 3-0-0 UFC | #7 | |