| Abbreviation | Definition |
|---|---|
| GTSA | Greater Tampa Swim Association |
| GUA | Graphic Users' Association |
| GUA | Graphics Users Association |
| GUAA | Group Underwriters Association of America |
| GUCA | Georgia Utility Contractors Association |
| GUNAA | Grambling University National Alumni Association |
| GUNSA | Ghana United Nations Student Association |
| GUNSA | Ghana United Nations Students Association |
| GUPA | Guelph Ultimate Players Association |
| GUSA | Georgetown University Student Association |
| GUSA | Ghana Universities Sports Associations |
| GUSA | Ghana University Sports Association |
| GUSA | Glasgow University Sports Association |
| GVBA | Grand View Beach Association |
| GVBA | Grandin Village Business Association |
| GVBA | Greater Victoria Baseball Association |
| GVCA | Global Venture Capital Association |
| GVCA | Graduate Visual Culture Association |
| GVCA | Grimsargh Village Community Association |
| GVPA | Genesee Valley Psychological Association |