Tous les combattants
 | Imran Arsangiriev | 2-0-0 REC | #1426 |  |
 | Imran Bukuev | 2-1-0 REC | #2537 | |
 | Imran Daurbekov | 0-1-0 REC | #6581 |  |
 | Imran Dzhavadov | 0-2-0 REC | #3844 | |
 | In Soo Hwang | 0-1-0 REC | #4527 |  |
 | Inglesson de Lara | 1-2-0 REC | #3627 |  |
 | Ingrid Silva | 1-0-0 REC | #2632 | |
 | Ioan Harris | 1-3-0 REC | #3206 |  |
 | Ion Cutelaba | 9-11-1 UFC | #269 |  |
 | Ion Surdu | 6-4-0 REC | #537 | |
 | Ion Taburceanu | 0-2-0, 1NC REC | #4477 | |
 | Iony Razafiarison | 1-2-0 REC | #4438 |  |
 | Iras Khizriev | 1-0-0 REC | #2348 | |
 | Iraskha Khizriev | #7604 | | |
 | Irene Aldana | 8-6-0 UFC | #197 |  |
 | Irgit Oveenchi | 0-1-0 REC | #6250 | |
 | Irina Alekseeva | 1-3-0 UFC | #2665 | |
 | Iris Marmouset | 0-1-0 REC | #5881 | |
 | Irlaine Gasai | 0-1-0 REC | #7565 | |
 | Irwin Rivera | 1-2-0 UFC | #3960 | |
 | Isa Magomedov | #7835 | | |
 | Isaac Dulgarian | 2-2-0 UFC | #2467 |  |
 | Isaac Muluh | 0-1-0 REC | #4055 |  |
 | Isaac Omeda | 0-0-1 REC | #6315 |  |
 | Isaac Thomson | 0-1-0 UFC | #1315 |  |