Combattants Japon
| 151 |  | Rui Kato | 0-1-0 REC | #6493 |  |
| 152 |  | Ryo Chonan | 1-3-0 UFC | #3792 | |
| 153 |  | Ryo Kawabata | #8011 | | |
| 154 |  | Ryo Sakai | 0-3-0 REC | #3413 | |
| 155 |  | Ryo Tajima | 2-0-0 REC | #738 | |
| 156 |  | Ryo Takagi | 4-2-0 REC | #808 | |
| 157 |  | Ryoga Arimoto | 0-1-0 REC | #6292 | |
| 158 |  | Ryoji Kudo | 1-4-0 REC | #4252 | |
| 159 |  | Ryoma Shishimoto | 2-1-0 REC | #977 | |
| 160 |  | Ryosuke Honda | 0-1-0 REC | #6938 | |
| 161 |  | Ryota Oki | 1-0-0 REC | #2399 | |
| 162 |  | Ryuho Miyaguchi | 0-1-0 REC | #4860 | |
| 163 |  | Ryusei Ashizawa | 1-3-0 REC | #3459 | |
| 164 |  | Ryuya Fukuda | 2-2-0 REC | #1813 | |
| 165 |  | Sanae Kikuta | 1-0-0 UFC | #6159 | |
| 166 |  | Sanoh Yokouchi | 1-1-0 REC | #3525 | |
| 167 |  | Saori Oshima | 2-2-0 REC | #655 | |
| 168 |  | Satoshi Honma | 0-1-0 UFC | #7005 | |
| 169 |  | Satoshi Ishii | 1-3-0 REC | #4548 | |
| 170 |  | Satoshi Kamiyama | 3-1-0 REC | #840 | |
| 171 |  | Sei Min Kim | #8299 | | |
| 172 |  | Seigo Yamamoto | 0-1-0 REC | #7375 | |
| 173 |  | Seika Izawa | 6-0-0 REC | #1106 | |
| 174 |  | Seiya Ameyama | 0-2-0 REC | #4230 | |
| 175 |  | Seiya Inoue | 1-1-0 REC | #1247 | |