| Acronym | Definition |
|---|
| GHSA | Georgia High School Association |
| GHSA | Governors Highway Safety Association (Washington, DC) |
| GHSA | Georgia High School Athletic Association |
| GHSA | Greater Houston Soaring Association (aviation) |
| GHSA | Guelph-Humber Student Association (Canada) |
| GHSA | Georgia Head Start Association |
| GHSA | Gulf Hunter Sailing Association (Gulfport, FL) |
| GHSA | Gateshead Healthy School Award (UK) |
| GHSA | Greater Houston Sign Association |
| GHSA | Galveston, Harrisburg, San Antonio (railroad) |
| GHSA | Guam Home School Association |
| GHSA | Glenmark Holdings SA |
| GHSA | Grace Home School Association (Florence, SC) |
| GHSA | Groupe Hospitalier Sud Ardennes (France) |
| GHSA | Global Health Student Association (University of South Florida) |
| GHSA | Graduate History Student's Association |
| GHSA | General Hospital Service Area |
| GHSA | Gator Humanics Student Association (University of Florida) |
| GHSA | Golden Heart Softball Association (Fairbanks, Alaska) |
| GHSA | Global Health Student Alliance (Harvard University) |
| GHSA | Gosford Hill School Association (UK) |
| GHSA | Grain Handling and Storage Act (Australia) |
| GHSA | Greenbrier High School Athletics |
| GHSA | Global Handpiece Service Association |
| GHSA | General Health Self-Assessment |
| GHSA | General Health Surveillance Authority |
| GHSA | Golden Horseshoe Staging Association |
| GHSA | General Health Service Areas |
| GHSA | glycated human serum albumin |
| GHSA | Gilbert, Hunter, Shuman and Associates |