Tous les combattants
 | Gray Maynard | 11-7-1, 1NC UFC | #617 |  |
 | Greg Fischer | 0-1-0 REC | #5891 | |
 | Greg Hardy | 4-5-0, 1NC UFC | #1686 | |
 | Greg Rebello | 0-2-0 REC | #5207 | |
 | Greg Soto | 1-2-0 UFC | #4204 | |
 | Greg Stott | 0-1-0 UFC | #6403 | |
 | Greg Sun | 0-1-0 REC | #7389 | |
 | Greg Velasco | 0-1-0 REC | #5633 | |
 | Gregor Gillespie | 7-1-0 UFC | #1462 | |
 | Gregory Babene | 3-2-0 REC | #2885 |  |
 | Gregory Robinet | #7988 | | |
 | Gregory Rodrigues | 10-3-0 UFC | #188 |  |
 | Gregory Wamytan | 1-2-0 REC | #4071 |  |
 | Griet Eeckhout | 1-0-0 REC | #5662 |  |
 | Griffin Parriott | 1-1-0 REC | #7236 | |
 | Grigor Matevosyan | 2-1-0 REC | #2803 |  |
 | Grigorii Popov | 0-2-0 UFC | #5296 |  |
 | Grzegorz Kowalski | #8052 |  | |
 | Grzegorz Stabach | 0-2-0 REC | #4175 | |
 | Guangyou Ning | 2-2-0 UFC | #3765 |  |
 | Gudisa Adzhba | 0-1-0 REC | #5895 |  |
 | Gugun Gusman | 0-1-0 REC | #6492 |  |
 | Guido Cannetti | 4-6-0 UFC | #2383 |  |
 | Guido Possidente | 0-1-0 REC | #7607 |  |
 | Guilhem Gontier | 0-1-0 REC | #7844 | |