Tous les combattants
 | Islam Isaev | 1-0-0 REC | #1994 |  |
 | Islam Isaev | 0-2-0 REC | #3894 | |
 | Islam Khapilaev | 0-1-0 REC | #6541 |  |
 | Islam Makhachev | 17-1-0 UFC | #1 | |
 | Islam Mamedov | 6-1-1 REC | #2024 | |
 | Islam Meshev | 0-2-0 REC | #4082 | |
 | Islam Omarov | 2-0-0 REC | #1278 | |
 | Islam Reda | 5-0-0 REC | #860 |  |
 | Islam Taisumov | 1-1-0 REC | #744 |  |
 | Islam Youssef | 2-1-0 REC | #1722 | |
 | Islam Yunusov | #7427 | | |
 | Islambek Baktybek Uulu | #7444 |  | |
 | Islem Masraf | 2-2-0 REC | #2462 | |
 | Ismael Bonfim | 2-3-0 UFC | #913 |  |
 | Ismail Israilov | 1-0-0 REC | #7050 | |
 | Ismail Kelemetov | 1-0-0 REC | #6016 | |
 | Ismail Naurdiev | 4-3-0 UFC | #854 |  |
 | Israel Adesanya | 13-6-0 UFC | #31 |  |
 | Israel Aquino | 0-1-0 REC | #6240 |  |
 | Israel Delgado | 1-1-0 REC | #5494 | |
 | Issa Isakov | 0-1-0 REC | #4608 |  |
 | Issei Tamura | 1-2-0 UFC | #4145 |  |
 | Issouf Doumbia | 0-1-0 REC | #5733 | |
 | Istela Nunes | 0-5-0 UFC | #2616 | |
| Istvan Schulcz | 1-0-0 REC | #7558 |  |