Poids Moyens Hommes
 | Ikram Aliskerov | 5-1-0 UFC | #220 |  |
 | Ikuhisa Minowa | 1-0-0 UFC | #3702 |  |
 | Ildemar Alcantara | 4-3-0 UFC | #2842 |  |
 | Ilian Bouafia | 5-1-0 REC | #949 |  |
 | Ilya Lupinov | 0-1-0 REC | #7482 |  |
 | Imamshafi Aliev | 1-1-0 REC | #4990 | |
 | Impa Kasanganay | 2-2-0 UFC | #189 |  |
 | Imran Dzhavadov | 0-2-0 REC | #3844 | |
 | In Soo Hwang | 0-1-0 REC | #4527 |  |
 | Ion Taburceanu | 0-2-0, 1NC REC | #4477 |  |
 | Isi Fitikefu | #7603 |  | |
 | Islem Masraf | 2-2-0 REC | #2621 |  |
 | Ismail Israilov | 1-0-0 REC | #7276 | |
 | Ismail Naurdiev | 4-3-0 UFC | #1015 |  |
 | Israel Adesanya | 13-6-0 UFC | #35 |  |
 | Israel Aquino | 0-1-0 REC | #6258 | |
 | Issouf Doumbia | 0-1-0 REC | #5908 | |
 | Ivan Bogdanov | 2-2-0 REC | #1923 | |
 | Ivan Salaverry | 3-4-0 UFC | #2977 | |
 | Ivan Valenzuela | 0-1-0 REC | #6727 |  |