Combattants Japon
| 76 |  | Kazushi Sakuraba | 1-0-0, 1NC UFC | #3919 |  |
| 77 |  | Keigo Kunihara | 0-1-0 UFC | #7299 | |
| 78 |  | Keiichiro Nakamura | 3-0-0 REC | #1364 | |
| 79 |  | Keiichiro Yamamiya | 0-1-0 UFC | #7177 | |
| 80 |  | Keisuke Sasu | 1-4-0 REC | #3088 | |
| 81 |  | Keita Nakamura | 4-7-0 UFC | #2363 | |
| 82 |  | Keito Oyama | 3-1-0 REC | #1201 | |
| 83 |  | Kenichi Yamamoto | 2-1-0 UFC | #3655 | |
| 84 |  | Kenshin Kodama | 0-1-0 REC | #6302 | |
| 85 |  | Kenshin Saito | 0-1-0 REC | #4734 | |
| 86 |  | Kenta Takizawa | 0-1-0 REC | #6888 | |
| 87 |  | Kentaro Tomita | 0-1-0 REC | #6938 | |
| 88 |  | Kiichi Kunimoto | 3-2-0 UFC | #3479 | |
| 89 |  | King Edokpolo | 3-0-0 REC | #410 | |
| 90 |  | King Rikuto | #7914 | | |
| 91 |  | Kisa Miyake | 0-1-0 REC | #5827 | |
| 92 |  | Kodai Yamasaki | 0-1-0 REC | #6275 | |
| 93 |  | Koji Kitao | 0-1-0 UFC | #5105 | |
| 94 |  | Koji Oishi | 0-2-0 UFC | #5210 | |
| 95 |  | Koji Takeda | 3-2-0 REC | #334 | |
| 96 |  | Koki Akada | 0-4-0 REC | #3308 | |
| 97 |  | Kosuke Terashima | 0-1-0 REC | #6050 | |
| 98 |  | Kota Miura | 0-2-0 REC | #2225 | |
| 99 |  | Kouki Nakagawa | 1-0-0 REC | #2212 | |
| 100 |  | Kousuke Kindaichi | 0-1-0 REC | #6560 | |