Tous les combattants
 | Katarina Legorreta | 0-1-0 REC | #5917 |  |
 | Katarzyna Sadura | 0-1-0 REC | #6344 |  |
 | Kate Bacik | 3-0-0 REC | #3818 |  |
 | Kate Jackson | 0-1-0 REC | #6619 | |
 | Katharina Dalisda | 5-1-0 REC | #2826 |  |
 | Katharina Lehner | 1-5-0 REC | #2402 | |
 | Katharina Rychkova | 1-0-0 REC | #1688 |  |
 | Katherine Corogenes | 0-2-0 REC | #6134 | |
 | Kathryn Paprocki | 0-1-0 REC | #7095 | |
 | Katie Perez | 0-3-0 REC | #3289 | |
 | Katie Saull | 1-3-0 REC | #3882 |  |
 | Katlyn Cerminara | 11-6-0 UFC | #508 | |
 | Katsuhisa Fujii | 1-1-0 UFC | #5286 |  |
 | Katsunori Kikuno | 2-3-0 UFC | #3263 | |
 | Katsuyoshi Sasaki | 0-1-0 REC | #6920 | |
 | Kaua Fernandes | 0-1-0 REC | #6877 |  |
 | Kauan Leopoldina | 0-1-0 REC | #5586 | |
 | Kaue Fernandes | 3-1-0 UFC | #1024 | |
 | Kaue Vaz | 0-1-0 REC | #4748 | |
 | Kaushik Saikumar | 0-1-0 REC | #4598 |  |
 | Kay Hansen | 1-3-0 UFC | #3187 | |
 | Kayara Hartfield | 1-0-0 REC | #763 | |
 | Kayla Harrison | 3-0-0 UFC | #7 | |
 | Kayla Yontef | 1-0-0 REC | #5387 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #3820 | |