Combattants Japon
| 76 |  | Kazushi Sakuraba | 1-0-0, 1NC UFC | #3920 |  |
| 77 |  | Keigo Kunihara | 0-1-0 UFC | #7156 | |
| 78 |  | Keiichiro Nakamura | 3-0-0 REC | #1240 | |
| 79 |  | Keiichiro Yamamiya | 0-1-0 UFC | #7112 | |
| 80 |  | Keisuke Sasu | 1-4-0 REC | #3070 | |
| 81 |  | Keita Nakamura | 4-7-0 UFC | #2364 | |
| 82 |  | Keito Oyama | 3-1-0 REC | #1087 | |
| 83 |  | Kenichi Yamamoto | 2-1-0 UFC | #3629 | |
| 84 |  | Kenshin Kodama | 0-1-0 REC | #6284 | |
| 85 |  | Kenshin Saito | 0-1-0 REC | #4645 | |
| 86 |  | Kenta Takizawa | 0-1-0 REC | #6771 | |
| 87 |  | Kentaro Tomita | 0-1-0 REC | #6839 | |
| 88 |  | Kiichi Kunimoto | 3-2-0 UFC | #3471 | |
| 89 |  | King Edokpolo | 2-0-0 REC | #2842 | |
| 90 |  | King Rikuto | #7871 | | |
| 91 |  | Kisa Miyake | 0-1-0 REC | #5841 | |
| 92 |  | Kodai Yamasaki | 0-1-0 REC | #6247 | |
| 93 |  | Koji Kitao | 0-1-0 UFC | #5032 | |
| 94 |  | Koji Oishi | 0-2-0 UFC | #5175 | |
| 95 |  | Koji Takeda | 2-2-0 REC | #1889 | |
| 96 |  | Koki Akada | 0-4-0 REC | #3274 | |
| 97 |  | Kosuke Terashima | 0-1-0 REC | #6056 | |
| 98 |  | Kota Miura | 0-2-0 REC | #2180 | |
| 99 |  | Kouki Nakagawa | 1-0-0 REC | #2125 | |
| 100 |  | Kousuke Kindaichi | 0-1-0 REC | #6446 | |