Tous les combattants
 | Imam Vitakhanov | 2-2-0 REC | #1697 |  |
 | Imamshafi Aliev | 1-1-0 REC | #4905 | |
 | Imanol Rodriguez | 1-0-0 UFC | #295 |  |
 | Impa Kasanganay | 2-2-0 UFC | #285 |  |
 | Imram Magaramov | 0-1-0 REC | #5152 |  |
 | Imran Arsangiriev | 2-0-0 REC | #647 | |
 | Imran Bukuev | 2-1-0 REC | #1973 | |
 | Imran Dzhavadov | 0-2-0 REC | #3414 | |
 | In Soo Hwang | 0-1-0 REC | #4213 |  |
 | Inglesson de Lara | 1-2-0 REC | #3180 |  |
 | Ingrid Silva | 1-0-0 REC | #2076 | |
 | Ioan Harris | 1-3-0 REC | #2841 |  |
 | Ion Cutelaba | 9-10-1 UFC | #134 |  |
 | Ion Surdu | 5-4-0 REC | #874 | |
 | Ion Taburceanu | 0-2-0, 1NC REC | #4196 | |
 | Iony Razafiarison | 1-2-0 REC | #4088 |  |
 | Iras Khizriev | 1-0-0 REC | #1757 |  |
 | Iraskha Khizriev | #7256 | | |
 | Irene Aldana | 8-6-0 UFC | #193 | |
 | Irgit Oveenchi | 0-1-0 REC | #5539 | |
 | Irina Alekseeva | 1-3-0 UFC | #2325 | |
 | Iris Marmouset | 0-1-0 REC | #5629 | |
 | Irlaine Gasai | 0-1-0 REC | #7142 | |
 | Irwin Rivera | 1-2-0 UFC | #3788 | |
 | Isa Magomedov | #7347 | |