Poids Moyens Hommes
 | Ibrahima N'Diaye | 0-1-0 REC | #6159 |  |
 | Ibrahima Wade | #6925 | | |
 | Igor Michaliszyn | 3-2-0 REC | #3038 |  |
 | Ikram Aliskerov | 4-1-0 UFC | #549 |  |
 | Ikuhisa Minowa | 1-0-0 UFC | #3439 |  |
 | Ildemar Alcantara | 4-3-0 UFC | #2511 |  |
 | Ilian Bouafia | 5-0-0 REC | #881 |  |
 | Ilya Lupinov | 0-1-0 REC | #7067 |  |
 | Imamshafi Aliev | 1-1-0 REC | #4848 | |
 | Impa Kasanganay | 2-2-0 UFC | #266 |  |
 | Imran Dzhavadov | 0-2-0 REC | #3362 | |
 | In Soo Hwang | 0-1-0 REC | #4163 |  |
 | Ion Taburceanu | 0-2-0, 1NC REC | #4158 |  |
 | Isi Fitikefu | #7094 |  | |
 | Islem Masraf | 2-2-0 REC | #2333 | |
 | Ismail Israilov | 1-0-0 REC | #6717 | |
 | Ismail Naurdiev | 4-3-0 UFC | #632 |  |
 | Israel Adesanya | 13-5-0 UFC | #20 |  |
 | Israel Aquino | #7467 | | |
 | Issouf Doumbia | 0-1-0 REC | #5403 | |