| Abbreviation | Definition |
|---|---|
| G | Games |
| G | Goals |
| G | Golf |
| G | Guard |
| G/FC | gym/fitness center |
| GA | General Admission |
| GA | Goal Attack |
| GA | Goals Against |
| GAA | Gaelic Athletic Association |
| GAA | Girls Athletic Association |
| GAA | Goals Against Average |
| GAAC | Gardeners Arms Angling Club |
| GABC | Grafton Athletic Boosters Club |
| GABL | Grace Alumni Basketball League |
| GABL | Great American Basketball League |
| GABP | Great American Ball Park |
| GAC | Grand American Championship |
| GAC | Great At Choking |
| GAE | Go Ahead Eagles |
| GAG | Games And Activities Galore |