Poids Plumes Hommes
 | Ibrakhim Tolonbay uulu | 0-1-0 REC | #5750 |  |
 | Icaro Brito | 2-1-0 REC | #1131 |  |
 | Ignacio Campos | 2-1-0 REC | #776 |  |
 | Ikror Urinbaev | 0-1-0 REC | #6050 |  |
 | Ilias Bulaid | #8097 |  | |
 | Ilie Meryacre | 0-1-0 REC | #6519 |  |
 | Inglesson de Lara | 1-2-0 REC | #3754 | |
 | Isaac Dulgarian | 2-2-0 UFC | #2607 |  |
 | Isaac Omeda | 0-0-1 REC | #6462 |  |
 | Isaac Thomson | 0-1-0 UFC | #1429 |  |
 | Isai Ramos | 1-1-0 REC | #4657 |  |
 | Isaiah Arechiga | 0-1-0 REC | #7166 | |
 | Isaiah Diggs | 0-1-0 REC | #6414 | |
 | Isaiah Hokit | 2-0-0 REC | #4409 | |
| Isame Ennani | 1-0-0 REC | #7921 |  |
 | Islam Babatov | 0-1-0 REC | #6077 |  |
| Islam Edaev | #7872 | | |
 | Islam Isaev | 1-0-0 REC | #2621 | |
 | Islam Meshev | 0-2-0 REC | #4422 | |
 | Islam Omarov | 2-0-0 REC | #1916 | |