Tous les combattants
 | Zane Frazier | 0-2-0 UFC | #5332 |  |
 | Zane Kamaka | 0-1-0 REC | #7188 | |
 | Zarah Fairn | 0-4-0 UFC | #2244 |  |
 | Zarrukh Adashev | 1-3-0 UFC | #3298 |  |
 | Zaur Gadzhiev | 2-0-0 REC | #1136 |  |
 | Zaur Usmaev | 3-1-0 REC | #992 |  |
 | Zaurbek Sabanov | 2-0-0 REC | #2413 | |
 | Zayne Havener | 2-0-0 REC | #371 | |
 | Zdenek Polivka | 6-4-0 REC | #1791 |  |
 | Zeb Vincent | 1-1-0 REC | #6600 | |
 | Zebaztian Kadestam | #7626 |  | |
 | Zebenzui Ruiz | 1-0-0 REC | #5552 |  |
 | Zeke Tuinei-Wily | 0-2-0 REC | #6615 | |
 | Zelim Imadaev | 0-3-0 UFC | #3322 | |
 | Zelim Umarov | 1-0-0 REC | #777 | |
 | Zelimkham Khatuev | 1-1-0 REC | #1848 | |
 | Zelimkhan Amirov | 1-1-0 REC | #4631 | |
 | Zelimkhan Islamov | 0-1-0 REC | #5971 | |
 | Zelimkhan Yashurkaev | 2-0-0 REC | #1504 | |
 | Zeus Nadjombe | 1-2-0 REC | #1252 |  |
 | Zha Yi | 1-3-0 UFC | #991 |  |
 | Zhakshylyk Myrzabekov | 3-0-0 REC | #1101 |  |
 | Zhalgas Zhumagulov | 1-6-0 UFC | #806 |  |
 | Zhaxibading | 0-1-0 REC | #5385 | |
 | Zhifa Shang | 0-1-0 REC | #6401 | |