Poids Mi-Moyens Hommes
 | George McManus | 1-3-0 REC | #3570 |  |
 | Georges St. Pierre | 20-2-0 UFC | #14 |  |
 | Georgiy Kichigin | 0-1-0 REC | #6300 |  |
 | Geovanis Palacios | 1-0-0 REC | #6501 |  |
 | Gerald Harris | 3-1-0 UFC | #3423 |  |
 | Geraldo Neto | 1-2-0 REC | #4530 |  |
 | Giacomo Michelis | 5-0-0 REC | #1711 |  |
 | Giannis Bachar | 2-2-0 REC | #3414 |  |
 | Gideon Ray | 0-3-0 UFC | #4443 | |
 | Gil Castillo | 1-2-0 UFC | #2961 | |
 | Gilbert Burns | 15-10-0 UFC | #176 | |
 | Gilberto Sousa | 0-1-0 REC | #5638 | |
 | Glaucio Eliziario | 0-1-0 REC | #7548 | |
 | Gleb Shadrin | 0-1-0 REC | #7868 |  |
 | Godofredo Castro | 5-6-0 UFC | #2324 | |
 | Goiti Yamauchi | 3-2-0 REC | #3403 | |
 | Gosha Kupreishvili | 1-1-0 REC | #1882 |  |
 | Greg Soto | 1-2-0 UFC | #4273 | |
 | Greg Sun | 0-1-0 REC | #7530 | |
 | Guilherme Vasconcelos | 0-1-0 UFC | #5185 | |