Combattants Etats-Unis
| 951 |  | Ian Loveland | 1-2-0 UFC | #4066 |  |
| 952 |  | Ian McCall | 2-3-1 UFC | #2751 | |
| 953 |  | Ike Villanueva | 1-5-0 UFC | #3127 | |
| 954 |  | Ilias Faquiri | #7259 | | |
| 955 |  | Ilima-Lei Macfarlane | 2-2-0 REC | #4392 | |
| 956 |  | Impa Kasanganay | 2-2-0 UFC | #280 | |
| 957 |  | Isaac Dulgarian | 2-2-0 UFC | #2042 | |
| 958 |  | Isaac Vallie-Flagg | 1-3-0 UFC | #3960 | |
| 959 |  | Isaiah Arechiga | 0-1-0 REC | #6423 | |
| 960 |  | Isaiah Diggs | 0-1-0 REC | #5408 | |
| 961 |  | Isaiah Figueroa | 0-1-0 REC | #6839 | |
| 962 |  | Isaiah Flores | 0-1-0 REC | #6903 | |
| 963 |  | Isaiah Hokit | 2-0-0 REC | #4122 | |
| 964 |  | Isaiah Joans | 0-1-0 REC | #6618 | |
| 965 |  | Isaiah Mahto | #7314 | | |
| 966 |  | Isaiah Pinson | 3-3-0 REC | #1615 | |
| 967 |  | Isaiah Skidmore | 0-1-0 REC | #5493 | |
| 968 |  | Isiah Torres | 1-0-0 REC | #6094 | |
| 969 |  | Israel Aquino | 0-1-0 REC | #6123 | |
| 970 |  | Israel Delgado | 1-1-0 REC | #5402 | |
| 971 |  | Issouf Doumbia | 0-1-0 REC | #5466 | |
| 972 |  | Ivan Salaverry | 3-4-0 UFC | #2681 | |
| 973 |  | Ivan Tena | 0-1-0 REC | #7109 | |
| 974 |  | J.C. Cottrell | 0-2-0 UFC | #4933 | |
| 975 |  | J.P. Saint Louis | 1-0-0 REC | #2199 | |