Poids Moyens Hommes
 | Igor Michaliszyn | 3-2-0 REC | #3438 |  |
 | Ikram Aliskerov | 5-1-0 UFC | #238 |  |
 | Ikuhisa Minowa | 1-0-0 UFC | #3718 |  |
 | Ildemar Alcantara | 4-3-0 UFC | #2845 |  |
 | Ilian Bouafia | 5-1-0 REC | #951 |  |
 | Ilya Lupinov | 0-1-0 REC | #7481 |  |
 | Imamshafi Aliev | 1-1-0 REC | #5016 | |
 | Impa Kasanganay | 2-2-0 UFC | #192 |  |
 | Imran Dzhavadov | 0-2-0 REC | #3874 | |
 | In Soo Hwang | 0-1-0 REC | #4548 |  |
 | Ion Taburceanu | 0-2-0, 1NC REC | #4518 |  |
 | Isi Fitikefu | #7592 |  | |
 | Islem Masraf | 2-2-0 REC | #2628 |  |
 | Ismail Israilov | 1-0-0 REC | #7266 | |
 | Ismail Naurdiev | 4-3-0 UFC | #1029 |  |
 | Israel Adesanya | 13-6-0 UFC | #34 |  |
 | Israel Aquino | 0-1-0 REC | #6270 | |
 | Issouf Doumbia | 0-1-0 REC | #5890 | |
 | Ivan Bogdanov | 2-2-0 REC | #1946 | |
 | Ivan Salaverry | 3-4-0 UFC | #2982 | |