Tous les combattants
 | Kassoum Kone | 1-0-0 REC | #2378 |  |
 | Kasum Kasumov | 2-2-0 REC | #3061 |  |
 | Katarina Legorreta | 0-1-0 REC | #6097 |  |
 | Katarzyna Sadura | 0-1-0 REC | #6571 |  |
 | Kate Bacik | 3-0-0 REC | #4182 |  |
 | Kate Jackson | 0-1-0 REC | #7252 | |
 | Katharina Dalisda | 5-1-0 REC | #3025 |  |
 | Katharina Lehner | 1-5-0 REC | #2712 | |
 | Katharina Rychkova | 1-0-0 REC | #2320 |  |
 | Katherine Corogenes | 0-2-0 REC | #6690 | |
 | Kathryn Paprocki | 0-1-0 REC | #7092 | |
 | Katie Perez | 0-3-0 REC | #3622 | |
 | Katie Saull | 1-3-0 REC | #4089 |  |
 | Katlyn Cerminara | 11-6-0 UFC | #529 | |
 | Katsuhisa Fujii | 1-1-0 UFC | #5616 |  |
 | Katsunori Kikuno | 2-3-0 UFC | #3488 | |
 | Katsuyoshi Sasaki | 0-1-0 REC | #7302 | |
 | Kaua Fernandes | 0-1-0 REC | #7113 |  |
 | Kauan Leopoldina | 0-1-0 REC | #6305 | |
 | Kaue Fernandes | 3-2-0 UFC | #595 | |
 | Kaue Vaz | 0-1-0 REC | #5249 | |
 | Kaushik Saikumar | 0-1-0 REC | #4835 |  |
 | Kay Hansen | 1-3-0 UFC | #3245 | |
 | Kayara Hartfield | 1-0-0 REC | #1582 | |
 | Kayck Alencar | 0-1-0 REC | #6295 | |