Poids Moyens Hommes
 | Ian Heinisch | 3-4-0 UFC | #1995 |  |
 | Ibragim Magomedov | 2-0-0 REC | #1685 |  |
 | Ibrahima N'Diaye | 0-1-0 REC | #5986 |  |
 | Ibrahima Wade | #6944 | | |
 | Igor Michaliszyn | 3-2-0 REC | #3078 |  |
 | Ikram Aliskerov | 4-1-0 UFC | #578 | |
 | Ikuhisa Minowa | 1-0-0 UFC | #3457 |  |
 | Ildemar Alcantara | 4-3-0 UFC | #2547 |  |
 | Ilian Bouafia | 5-0-0 REC | #922 |  |
 | Ilya Lupinov | 0-1-0 REC | #7091 |  |
 | Imamshafi Aliev | 1-1-0 REC | #4905 | |
 | Impa Kasanganay | 2-2-0 UFC | #285 | |
 | Imran Dzhavadov | 0-2-0 REC | #3414 | |
 | In Soo Hwang | 0-1-0 REC | #4213 |  |
 | Ion Taburceanu | 0-2-0, 1NC REC | #4196 |  |
 | Isi Fitikefu | #7121 |  | |
 | Islem Masraf | 2-2-0 REC | #2353 | |
 | Ismail Israilov | 1-0-0 REC | #6762 | |
 | Ismail Naurdiev | 4-3-0 UFC | #718 |  |
 | Israel Adesanya | 13-5-0 UFC | #20 |  |