| Abbreviation | Definition |
|---|---|
| GTWRFC | Georgia Tech Women's Rugby Football Club |
| GU | Game Used |
| GU | Gamer Unlimited |
| GU | Gaming Universe |
| GUG | Grand Unified Game |
| GUMBO | Games Uniting Mind and Body |
| GUN | Gaming Unlimited Network |
| GUR | Ground Under Repair |
| GUTS | Gonzaga University Theater Sports |
| GUZ | Juan Guzman |
| GV | Game Voice |
| GV | Gaming Ventura |
| GV | Girl's Varsity |
| GVSN | Grand Valley Sports Network |
| GW | Game Winner |
| GW | Games Workshop |
| GWA | Ghetto Wrestling Association |
| GWA | Gladiator Wrestling Association |
| GWA | Global Wrestling Alliance |
| GWAL | Greater Wichita Athletic League |