Poids Coqs Hommes
 | Kaua Fernandes | 0-1-0 REC | #7263 |  |
 | Kaue Vaz | 0-1-0 REC | #5428 | |
 | Kaushik Saikumar | 0-1-0 REC | #4879 |  |
 | Keir Harvie | 2-3-0 REC | #3722 |  |
 | Kelvin Sterling | 0-1-0 REC | #6190 |  |
 | Ken Stone | 2-2-0 UFC | #3760 | |
 | Kenji Bortoluzzi | 0-3-0 REC | #4402 |  |
 | Kenshin Kodama | 0-1-0 REC | #6365 |  |
 | Kenshin Saito | 0-1-0 REC | #4862 | |
 | Kenta Takizawa | 0-1-0 REC | #7028 | |
 | Kevin Azouz | 0-3-0 REC | #3197 |  |
 | Kevin Cordero | 0-1-0 REC | #5148 |  |
 | Kevin Debras | 0-1-0 REC | #5204 | |
 | Kevin Gray | 0-1-0 REC | #7122 | |
 | Kevin Natividad | 0-3-0 UFC | #3702 | |
 | Khai Wu | 0-1-0 REC | #7565 | |
 | Khamzat Magomadov | 0-1-0 REC | #6702 |  |
 | Khasanzhon Anvarov | 0-1-0 REC | #6813 |  |
| Khizir Magomadov | 1-0-0 REC | #1361 | |
 | Kholmurod Nurmatov | 1-4-0 REC | #2262 | |