Tous les combattants
 | Igor Severino | 0-1-0 UFC | #1592 |  |
 | Igor Siqueira | 1-1-0 REC | #5649 | |
 | Igor Tanabe | #7849 | | |
 | Igor Taylon | 0-1-0 REC | #5956 | |
 | Igor Wlodarczyk | 2-0-0 REC | #2080 |  |
 | Igor Wojtas | 3-0-0 REC | #1895 | |
 | Igor Zhirkov | 0-1-0 REC | #6215 |  |
 | Igor Zinoviev | 0-1-0 UFC | #4079 |  |
 | Ihor Potieria | 2-6-0 UFC | #2010 |  |
 | Ike Villanueva | 1-5-0 UFC | #3627 |  |
 | Ikram Aliskerov | 5-1-0 UFC | #280 | |
 | Ikror Urinbaev | 0-1-0 REC | #6408 |  |
 | Ikuhisa Minowa | 1-0-0 UFC | #3888 |  |
 | Ilara Joanne | 4-5-0 REC | #2332 | |
 | Ilay Barzilay | 4-1-0 REC | #2487 |  |
 | Ildemar Alcantara | 4-3-0 UFC | #2915 | |
 | Iler Bakhtiyar Uulu | 2-1-0 REC | #4380 |  |
 | Ilia Topuria | 9-1-0 UFC | #13 |  |
 | Ilian Bouafia | 5-1-0 REC | #972 |  |
 | Iliarde Santos | 0-3-0 UFC | #5132 | |
 | Ilias Bulaid | #5080 |  | |
 | Ilias Faquiri | #7942 | | |
 | Ilie Meryacre | 0-1-0 REC | #6751 |  |
 | Ilie Munteanu | 0-1-0 REC | #4403 | |
 | Ilima-Lei Macfarlane | 2-2-0 REC | #4836 | |