Tous les combattants
 | Imran Bukuev | 2-1-0 REC | #2762 |  |
 | Imran Daurbekov | 0-1-0 REC | #6368 |  |
 | Imran Dzhavadov | 0-2-0 REC | #4005 | |
 | In Soo Hwang | 0-1-0 REC | #4614 |  |
 | Inglesson de Lara | 1-2-0 REC | #3742 |  |
 | Ingrid Silva | 1-0-0 REC | #2781 | |
 | Ioan Harris | 1-3-0 REC | #3274 |  |
 | Ion Cutelaba | 9-11-1 UFC | #352 |  |
 | Ion Surdu | 6-4-0 REC | #756 | |
 | Ion Taburceanu | 0-2-0, 1NC REC | #4589 | |
 | Iony Razafiarison | 1-2-0 REC | #4554 |  |
 | Irakli Kuchukhidze | #8054 | | |
 | Iras Khizriev | 1-0-0 REC | #2618 | |
 | Iraskha Khizriev | #7740 | | |
 | Irene Aldana | 8-6-0 UFC | #910 |  |
 | Irgit Oveenchi | 0-1-0 REC | #6421 | |
 | Irina Alekseeva | 1-3-0 UFC | #2731 | |
 | Iris Marmouset | 0-1-0 REC | #6156 | |
 | Irlaine Gasai | 0-1-0 REC | #7708 | |
 | Irwin Rivera | 1-2-0 UFC | #4012 | |
 | Isa Magomedov | #7976 | | |
 | Isaac Dulgarian | 2-2-0 UFC | #2582 |  |
 | Isaac Muluh | 0-1-0 REC | #4225 |  |
 | Isaac Omeda | 0-0-1 REC | #6408 |  |
 | Isaac Thomson | 0-1-0 UFC | #1414 |  |