Combattants Etats-Unis
| 1501 |  | Kevin Pease | 1-0-0 REC | #6358 |  |
| 1502 |  | Kevin Randleman | 4-3-0 UFC | #1143 | |
| 1503 |  | Kevin Rosas | #7781 | | |
| 1504 |  | Kevin Rosier | 1-2-0 UFC | #3836 | |
| 1505 |  | Keyes Nelson | 0-1-0 REC | #7253 | |
| 1506 |  | Keynan Davis | 1-2-0 REC | #5099 | |
| 1507 |  | Keyth Dawson | 0-1-0 REC | #7502 | |
| 1508 |  | Khai Wu | 0-1-0 REC | #7428 | |
| 1509 |  | Khalil Rountree | 10-7-0, 1NC UFC | #109 | |
| 1510 |  | Khama Worthy | 2-3-0 UFC | #3386 | |
| 1511 |  | Khaos Williams | 7-4-0 UFC | #291 | |
| 1512 |  | Kimo Leopoldo | 2-4-0 UFC | #2699 | |
| 1513 |  | King Green | 16-12-1, 1NC UFC | #86 | |
| 1514 |  | Kinnedy Hundley | 0-1-0 REC | #5304 | |
| 1515 |  | Kit Cope | 0-1-0 UFC | #5335 | |
| 1516 |  | Kody Steele | 1-1-0 UFC | #555 | |
| 1517 |  | Kohl Laren | 0-3-0 REC | #3199 | |
| 1518 |  | Kolton Englund | 0-2-0 REC | #4198 | |
| 1519 |  | Korey Kuppe | 0-3-0 REC | #5129 | |
| 1520 |  | Korey Windham | 0-1-0 REC | #7249 | |
| 1521 |  | Kory Moegenburg | 0-2-0 REC | #5220 | |
| 1522 |  | Kris McCray | 0-3-0 UFC | #4259 | |
| 1523 |  | Kris Moutinho | 0-4-0 UFC | #2107 | |
| 1524 |  | Kris Rotharmel | 0-1-0 UFC | #7370 | |
| 1525 |  | Krissa Timbs | #7698 | |