Combattants Japon
| 251 |  | Yuji Yannick Ephoeviga | 0-1-0 REC | #5319 |  |
| 252 |  | Yuki Ito | 4-2-0 REC | #808 | |
| 253 |  | Yuki Kawana | 0-3-0 REC | #6432 | |
| 254 |  | Yuki Kondo | 1-2-0 UFC | #3590 | |
| 255 |  | Yuki Motoya | 5-3-0 REC | #1270 | |
| 256 |  | Yuki Narita | 0-1-0 REC | #5531 | |
| 257 |  | Yukito Morinaga | 1-0-0 REC | #2584 | |
| 258 |  | Yuma Horiuchi | 0-1-0 REC | #6865 | |
| 259 |  | Yumeto Mizuno | #7814 | | |
| 260 |  | Yunosuke Minami | 0-1-0 REC | #5817 | |
| 261 |  | Yura Naito | 0-1-0 REC | #4849 | |
| 262 |  | Yuri Suda | 0-1-0 REC | #6300 | |
| 263 |  | Yusaku Kinoshita | 0-2-0 UFC | #3554 | |
| 264 |  | Yushi Sakura | 1-0-0 REC | #4391 | |
| 265 |  | Yushin Okami | 14-7-0 UFC | #230 | |
| 266 |  | Yusuke Kasuya | 0-2-0 UFC | #4171 | |
| 267 |  | Yusuke Yachi | 3-3-0 REC | #608 | |
| 268 |  | Yuta Kubo | 0-2-0, 1NC REC | #3315 | |
| 269 |  | Yuta Sasaki | 4-5-0 UFC | #2224 | |
| 270 |  | Yutaka Saito | #7707 | | |
| 271 |  | Yutaro Muramoto | 0-1-0 REC | #7344 | |
| 272 |  | Yuto Hokamura | 1-3-0 REC | #1648 | |
| 273 |  | Yuya Shibata | 0-1-0 REC | #5933 | |