Tous les combattants
 | Kasum Kasumov | 2-2-0 REC | #3087 |  |
 | Katarina Legorreta | 0-1-0 REC | #6398 |  |
 | Katarzyna Sadura | 0-1-0 REC | #6743 |  |
 | Kate Bacik | 3-0-0 REC | #4389 |  |
 | Kate Jackson | 0-1-0 REC | #7502 | |
 | Katharina Dalisda | 5-1-0 REC | #3110 |  |
 | Katharina Lehner | 1-5-0 REC | #2795 | |
 | Katharina Rychkova | 1-0-0 REC | #2581 |  |
 | Katherine Corogenes | 0-2-0 REC | #6995 | |
 | Kathryn Paprocki | 0-1-0 REC | #7133 | |
 | Katie Perez | 0-3-0 REC | #3795 | |
 | Katie Saull | 1-3-0 REC | #4186 |  |
 | Katlyn Cerminara | 11-6-0 UFC | #524 | |
 | Katsuhisa Fujii | 1-1-0 UFC | #5684 |  |
 | Katsunori Kikuno | 2-3-0 UFC | #3558 | |
 | Katsuyoshi Sasaki | 0-1-0 REC | #7519 | |
 | Kaua Fernandes | 0-1-0 REC | #7354 |  |
 | Kauan Leopoldina | 0-1-0 REC | #6668 | |
 | Kaue Fernandes | 3-2-0 UFC | #781 | |
 | Kaue Vaz | 0-1-0 REC | #5602 | |
 | Kaushik Saikumar | 0-1-0 REC | #5015 |  |
 | Kay Hansen | 1-3-0 UFC | #3319 | |
 | Kayara Hartfield | 1-0-0 REC | #1934 | |
 | Kayck Alencar | 0-1-0 REC | #6415 | |
 | Kayla Harrison | 3-0-0 UFC | #7 | |