Tous les combattants
 | Kassoum Kone | 1-0-0 REC | #1730 |  |
 | Kasum Kasumov | 2-2-0 REC | #2871 |  |
 | Katarina Legorreta | 0-1-0 REC | #5972 |  |
 | Katarzyna Sadura | 0-1-0 REC | #6417 |  |
 | Kate Bacik | 3-0-0 REC | #3805 |  |
 | Kate Jackson | 0-1-0 REC | #6530 | |
 | Katharina Dalisda | 5-1-0 REC | #2798 |  |
 | Katharina Lehner | 1-5-0 REC | #2322 | |
 | Katharina Rychkova | 1-0-0 REC | #1566 |  |
 | Katherine Corogenes | 0-2-0 REC | #6191 | |
 | Kathryn Paprocki | 0-1-0 REC | #7068 | |
 | Katie Perez | 0-2-0 REC | #4147 | |
 | Katie Saull | 1-3-0 REC | #3816 |  |
 | Katlyn Cerminara | 11-6-0 UFC | #509 | |
 | Katsuhisa Fujii | 1-1-0 UFC | #5318 |  |
 | Katsunori Kikuno | 2-3-0 UFC | #3223 | |
 | Katsuyoshi Sasaki | 0-1-0 REC | #6851 | |
 | Kaua Fernandes | 0-1-0 REC | #6865 |  |
 | Kauan Leopoldina | 0-1-0 REC | #5505 | |
 | Kaue Fernandes | 3-1-0 UFC | #984 | |
 | Kaue Vaz | 0-1-0 REC | #4652 | |
 | Kaushik Saikumar | 0-1-0 REC | #4593 |  |
 | Kay Hansen | 1-3-0 UFC | #3164 | |
 | Kayara Hartfield | 1-0-0 REC | #614 | |
 | Kayla Harrison | 3-0-0 UFC | #6 | |