Tous les combattants
 | Igor Severino | 0-1-0 UFC | #1257 |  |
 | Igor Siqueira | 1-1-0 REC | #5268 | |
 | Igor Tanabe | #7616 | | |
 | Igor Taylon | 0-1-0 REC | #5987 | |
 | Igor Wlodarczyk | 2-0-0 REC | #1811 |  |
 | Igor Wojtas | 3-0-0 REC | #1576 | |
 | Igor Zhirkov | 0-1-0 REC | #5926 |  |
 | Igor Zinoviev | 0-1-0 UFC | #3993 |  |
 | Ihor Potieria | 2-6-0 UFC | #2001 |  |
 | Ike Villanueva | 1-5-0 UFC | #3473 |  |
 | Ikram Aliskerov | 5-1-0 UFC | #323 | |
 | Ikror Urinbaev | 0-1-0 REC | #5975 |  |
 | Ikuhisa Minowa | 1-0-0 UFC | #3737 |  |
 | Ilara Joanne | 4-5-0 REC | #2133 | |
 | Ilay Barzilay | 4-1-0 REC | #2434 |  |
 | Ildemar Alcantara | 4-3-0 UFC | #2872 | |
 | Iler Bakhtiyar Uulu | 2-1-0 REC | #4249 |  |
 | Ilia Topuria | 9-1-0 UFC | #10 |  |
 | Ilian Bouafia | 5-1-0 REC | #1013 |  |
 | Iliarde Santos | 0-3-0 UFC | #4963 | |
 | Ilias Bulaid | #8198 |  | |
 | Ilias Faquiri | #7810 | | |
 | Ilie Meryacre | 0-1-0 REC | #6511 |  |
 | Ilie Munteanu | 0-1-0 REC | #4221 | |
 | Ilima-Lei Macfarlane | 2-2-0 REC | #4684 | |