Sorted alphabetically by last name · 2769 fighters
| Name | Nickname | |
|---|---|---|
| GS | Greg Stott | "Ranger" |
| GG | Gregor Gillespie | "The Gift" |
| GR | Gregory Rodrigues | "Robocop" |
| GP | Grigory Popov | |
| GN | Guangyou Ning | "Smasher" |
| GC | Guido Cannetti | "Ninja" |
| GP | Guilherme Pat | "Kong" |
| GV |
| Guilherme Vasconcelos |
| "Bomba" |
| GN | Gunnar Nelson | "Gunni" |
| GK | Guram Kutateladze | "Georgian Viking" |