Tous les combattants
 | Katharina Lehner | 1-5-0 REC | #2727 |  |
 | Katharina Rychkova | 1-0-0 REC | #2381 |  |
 | Katherine Corogenes | 0-2-0 REC | #6754 |  |
 | Kathryn Paprocki | 0-1-0 REC | #7118 | |
 | Katie Perez | 0-3-0 REC | #3648 | |
 | Katie Saull | 1-3-0 REC | #4108 |  |
 | Katlyn Cerminara | 11-6-0 UFC | #509 | |
 | Katsuhisa Fujii | 1-1-0 UFC | #5646 |  |
 | Katsunori Kikuno | 2-3-0 UFC | #3490 | |
 | Katsuyoshi Sasaki | 0-1-0 REC | #7341 | |
 | Kaua Fernandes | 0-1-0 REC | #7221 |  |
 | Kauan Leopoldina | 0-1-0 REC | #6410 | |
 | Kaue Fernandes | 3-2-0 UFC | #643 | |
 | Kaue Vaz | 0-1-0 REC | #5349 | |
 | Kaushik Saikumar | 0-1-0 REC | #4899 |  |
 | Kay Hansen | 1-3-0 UFC | #3266 | |
 | Kayara Hartfield | 1-0-0 REC | #1672 | |
 | Kayck Alencar | 0-1-0 REC | #6267 | |
 | Kayla Harrison | 3-0-0 UFC | #7 | |
 | Kayla Yontef | 1-0-0 REC | #5570 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #4014 | |
 | Kaytlin Neil | 2-1-0 REC | #4190 | |
 | Kazakbai Tilenov | 0-1-0 REC | #6414 |  |
 | Kazbek Damaev | 0-1-0 REC | #6629 |  |
 | Kazuhiro Nakamura | 0-2-0 UFC | #5011 | |