| Fighter | Record | Last Bout |
|---|---|---|
| Abdul Rakhman Yakhyaev | 10-0-0 | 2026-10-24 |
| Adrian Yanez | 18-6-1 | 2026-07-11 |
| Gauge Young | 11-4-0 | 2026-08-22 |
| John Yannis | 10-5-0 | 2026-06-06 |
| JooSang Yoo | 9-1-0 | 2026-09-19 |
| Mohammad Yahya | 12-6-0 | 2025-07-26 |
| Petr Yan | 20-5-0 | 2026-10-24 |
| Sodiq Yusuff | 13-5-0 | 2025-05-17 |
| Song Yadong | 24-9-1 (1 NC) | 2026-08-29 |
| SuYoung You | 16-4-0 (2 NC) | 2026-03-14 |
| Yadier del Valle | 11-1-0 | 2026-08-08 |
| Yair Rodriguez | 21-6-0 (1 NC) | 2025-04-12 |
| Yan Xiaonan | 19-6-0 (1 NC) | 2026-08-29 |
| Yana Santos | 17-8-0 (1 NC) | 2025-10-04 |
| Yanal Ashmouz | 8-2-0 | 2025-06-07 |
| Yaroslav Amosov | 30-1-0 | 2026-05-09 |
| Yazmin Jauregui | 11-2-0 | 2026-09-26 |
| YiSak Lee | 8-2-0 | 2026-05-30 |
| Yizha | 26-6-0 | 2026-01-31 |
| Yousri Belgaroui | 10-3-0 | 2026-09-12 |
| Youssef Zalal | 18-6-1 | 2026-04-25 |
| Yuneisy Duben | 6-2-0 (1 NC) | 2026-06-06 |
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