Combattants Japon
| 76 |  | Kazushi Sakuraba | 1-0-0, 1NC UFC | #3937 |  |
| 77 |  | Keigo Kunihara | 0-1-0 UFC | #7366 | |
| 78 |  | Keiichiro Nakamura | 3-0-0 REC | #1472 | |
| 79 |  | Keiichiro Yamamiya | 0-1-0 UFC | #7266 | |
| 80 |  | Keisuke Sasu | 1-4-0 REC | #3108 | |
| 81 |  | Keita Nakamura | 4-7-0 UFC | #2358 | |
| 82 |  | Keito Oyama | 3-1-0 REC | #1307 | |
| 83 |  | Kenichi Yamamoto | 2-1-0 UFC | #3696 | |
| 84 |  | Kenshin Kodama | 0-1-0 REC | #6297 | |
| 85 |  | Kenshin Saito | 0-1-0 REC | #4807 | |
| 86 |  | Kenta Takizawa | 0-1-0 REC | #6999 | |
| 87 |  | Kentaro Tomita | 0-1-0 REC | #6890 | |
| 88 |  | Kiichi Kunimoto | 3-2-0 UFC | #3524 | |
| 89 |  | King Edokpolo | 3-0-0 REC | #526 | |
| 90 |  | King Rikuto | #7995 | | |
| 91 |  | Kisa Miyake | 0-1-0 REC | #5870 | |
| 92 |  | Kodai Yamasaki | 0-1-0 REC | #6396 | |
| 93 |  | Koji Kitao | 0-1-0 UFC | #5235 | |
| 94 |  | Koji Oishi | 0-2-0 UFC | #5231 | |
| 95 |  | Koji Takeda | 3-2-0 REC | #452 | |
| 96 |  | Koki Akada | 0-4-0 REC | #3366 | |
| 97 |  | Kosuke Terashima | 0-1-0 REC | #6021 | |
| 98 |  | Kota Miura | 0-2-0 REC | #2291 | |
| 99 |  | Kouki Nakagawa | 1-0-0 REC | #2309 | |
| 100 |  | Kousuke Kindaichi | 0-1-0 REC | #6539 | |