Combattants Etats-Unis
| 1551 |  | Keyth Dawson | 0-1-0 REC | #7756 |  |
| 1552 |  | Khai Wu | 0-1-0 REC | #7597 | |
| 1553 |  | Khalil Rountree | 10-7-0, 1NC UFC | #118 | |
| 1554 |  | Khama Worthy | 2-3-0 UFC | #3552 | |
| 1555 |  | Khaos Williams | 7-4-0 UFC | #594 | |
| 1556 |  | Kimo Leopoldo | 2-4-0 UFC | #2838 | |
| 1557 |  | King Green | 17-12-1, 1NC UFC | #98 | |
| 1558 |  | Kinnedy Hundley | 0-1-0 REC | #5853 | |
| 1559 |  | Kit Cope | 0-1-0 UFC | #5834 | |
| 1560 |  | Kody Steele | 1-1-0 UFC | #1157 | |
| 1561 |  | Kohl Laren | 0-3-0 REC | #3498 | |
| 1562 |  | Kolton Englund | 0-2-0 REC | #4499 | |
| 1563 |  | Korey Kuppe | 0-3-0 REC | #5408 | |
| 1564 |  | Korey Windham | 0-1-0 REC | #7457 | |
| 1565 |  | Kory Moegenburg | 0-2-0 REC | #5588 | |
| 1566 |  | Kris McCray | 0-3-0 UFC | #4488 | |
| 1567 |  | Kris Moutinho | 0-4-0 UFC | #2209 | |
| 1568 |  | Kris Rotharmel | 0-1-0 UFC | #7625 | |
| 1569 |  | Krissa Timbs | #8169 | | |
| 1570 |  | Kristina Williams | 4-1-0 REC | #3479 | |
| 1571 |  | Kue Htoo | 1-0-0 REC | #856 | |
| 1572 |  | Kurt Holobaugh | 2-7-0 UFC | #2345 | |
| 1573 |  | Kurt Pellegrino | 7-5-0 UFC | #1828 | |
| 1574 |  | Kurtis Ellis | 1-1-0 REC | #6984 | |
| 1575 |  | Ky Bennett | 1-1-0 REC | #5083 | |