Poids Moyens Hommes
 | Ikuhisa Minowa | 1-0-0 UFC | #3678 |  |
 | Ildemar Alcantara | 4-3-0 UFC | #2798 |  |
 | Ilian Bouafia | 5-1-0 REC | #889 |  |
 | Ilya Lupinov | 0-1-0 REC | #7426 |  |
 | Imamshafi Aliev | 1-1-0 REC | #4941 |  |
 | Impa Kasanganay | 2-2-0 UFC | #172 |  |
 | Imran Dzhavadov | 0-2-0 REC | #3784 | |
 | In Soo Hwang | 0-1-0 REC | #4509 |  |
 | Ion Taburceanu | 0-2-0, 1NC REC | #4425 |  |
 | Isi Fitikefu | #7555 |  | |
 | Islem Masraf | 2-2-0 REC | #2574 |  |
 | Ismail Israilov | 1-0-0 REC | #7213 | |
 | Ismail Naurdiev | 4-3-0 UFC | #952 |  |
 | Israel Adesanya | 13-6-0 UFC | #35 |  |
 | Israel Aquino | 0-1-0 REC | #6226 | |
 | Issouf Doumbia | 0-1-0 REC | #5883 | |
 | Ivan Bogdanov | 2-2-0 REC | #1834 | |
 | Ivan Salaverry | 3-4-0 UFC | #2940 | |
 | Ivan Valenzuela | 0-1-0 REC | #6717 |  |
 | Iznaur Bachulaev | 1-0-0 REC | #1798 | |