| Acronym | Definition |
|---|
| HSCA➣House Select Committee on Assassinations |
| HSCA➣High Street Christian Academy (Philadelphia, PA) |
| HSCA➣Harvard-Smithsonian Center for Astrophysics |
| HSCA➣Health and Social Care Act (UK) |
| HSCA➣Hawaii State Chiropractic Association |
| HSCA➣Hazardous Substances Control Act |
| HSCA➣High School Culinary Arts |