Sorted alphabetically by last name · 2769 fighters
| Name | Nickname | |
|---|---|---|
| GD | Geraldo de Freitas | "Spartan" |
| GD | Germaine de Randamie | "The Iron Lady" |
| GH | Gerry Harris | |
| GK | Geza Kalman | |
| GV | Gian Villante | |
| GV | Gianni Vazquez | "Kriptonita" |
| GR | Gideon Ray | |
| GC |
| "Ninja" |
| GC | Gigi Canuto | "Diamond" |
| GC | Gil Castillo |