| Acronym | Definition |
|---|
| SHSA | State High School Association (Georgia) |
| SHSA | Scottish Harp Society of America |
| SHSA | Special Hospitals Service Authority |
| SHSA | Saskatchewan Herb and Spice Association |
| SHSA | Suffolk Horse Show Association |
| SHSA | Sierra Historic Sites Association |
| SHSA | State Highway Safety Alliance |
| SHSA | Service & Hospitality Safety Association (Saskatchewan) |
| SHSA | Universal Splicing Head Support Assembly |
| SHSA | Simonpietri Hemisferica Sa (Puerto Rico) |
| SHSA | Steamship Historical Society of America |
| SHSA | South Hill Sports Association |
| SHSA | Shanghai Stuttering Association |
| SHSA | Swiss Hotel Schools Association |
| SHSA | Surveillance and Harassment Survivor's Alliance (Missouri) |
| SHSA | Student Health Science Association |
| SHSA | State Homeland Security Assessment and Strategy Program |
| SHSA | Sacred Heart School Association |
| SHSA | Student Housing Services Associate |
| SHSA | Seychelles Hotel Staff Association |
| SHSA | Seaman Apprentice, Ship's Serviceman Striker (Naval Rating) |
| SHSA | Simulated Horse Showing Association |
| SHSA | Seaborn Home and School Association |
| SHSA | Senior Health and Safety Advisor |