| Abbreviation | Definition |
|---|---|
| GQA | Graduate Queer Alliance |
| GQPA | Gateway Quality Physician Alliance |
| GRA | Georgia Redistricting Alliance |
| GRAND | GOOS Regional Alliances Networking Development |
| GRAR | Greater Regional Alliance of REALTORS |
| GRAS | Green Restaurants Alliance Sacramento |
| GRFA | Global Renewable Fuels Alliance |
| GRMA | Global Retailer and Manufacturer Alliance |
| GSA | Gay Straight Alliances |
| GSA | Gay Stright Alliance |
| GSA | Gay/Straight Alliances |
| GSA | Gender and Sexuality Alliance |
| GSA | Genders Sexualities Alliance |
| GSA | Global Semiconductor Alliance |
| GSA | Global Sepsis Alliance |
| GSA | Global Shea Alliance |
| GSA | Goth SexualMinority Alliance |
| GSAA | Governors South Atlantic Alliance |
| GSAP | Graduate School Alliance Program |
| GSIA | Global Security Industry Alliance |