Sorted alphabetically by last name · 2715 fighters
| Name | Nickname | |
|---|---|---|
| IF | Ian Freeman | "The Machine" |
| IH | Ian Heinisch | "The Hurricane" |
| IL | Ian Loveland | "The Barn Owl" |
| IM | Ian Machado Garry | "The Future" |
| IM | Ian McCall | "Uncle Creepy" |
| IL | Iasmin Lucindo | |
| IA | Ibo Aslan | "The Last Ottoman" |
| IL | Icho Larenas | |
| IB | Ignacio Bahamondes | "La Jaula" |
| IA | Igor Araujo |