Tous les combattants
 | Kasib Murdoch | 1-0-0 REC | #1128 |  |
 | Kasim Aras | 2-3-0 REC | #1830 |  |
 | Kassius Kayne | 0-1-0 REC | #7790 |  |
 | Kassoum Kone | 1-0-0 REC | #2300 |  |
 | Kasum Kasumov | 2-2-0 REC | #3083 |  |
 | Katarina Legorreta | 0-1-0 REC | #6239 | |
 | Katarzyna Sadura | 0-1-0 REC | #6586 |  |
 | Kate Bacik | 3-0-0 REC | #4140 |  |
 | Kate Jackson | 0-1-0 REC | #7128 | |
 | Katharina Dalisda | 5-1-0 REC | #3029 | |
 | Katharina Lehner | 1-5-0 REC | #2674 | |
 | Katharina Rychkova | 1-0-0 REC | #2224 |  |
 | Katherine Corogenes | 0-2-0 REC | #6671 | |
 | Kathryn Paprocki | 0-1-0 REC | #7178 | |
 | Katie Perez | 0-3-0 REC | #3583 | |
 | Katie Saull | 1-3-0 REC | #4047 |  |
 | Katlyn Cerminara | 11-6-0 UFC | #509 | |
 | Katsuhisa Fujii | 1-1-0 UFC | #5581 |  |
 | Katsunori Kikuno | 2-3-0 UFC | #3467 | |
 | Katsuyoshi Sasaki | 0-1-0 REC | #7256 | |
 | Kaua Fernandes | 0-1-0 REC | #7168 |  |
 | Kauan Leopoldina | 0-1-0 REC | #6289 | |
 | Kaue Fernandes | 3-1-0 UFC | #1042 | |
 | Kaue Vaz | 0-1-0 REC | #5182 | |
 | Kaushik Saikumar | 0-1-0 REC | #4837 |  |