| Acronym | Definition |
|---|
| HSAP | High School Assessment Program (South Carolina) |
| HSAP | Hsdpa Access Point |
| HSAP | Hydropower Sustainability Assessment Protocol (International Hydropower Association) |
| HSAP | Home School Assistance Program (Iowa) |
| HSAP | Health Sciences and Practice (UK) |
| HSAP | High-Support Autistic Person (neurological classification) |
| HSAP | History of Statewide Assessment Program (Florida Comprehensive Assessment Test) |
| HSAP | Herring Sperm-Activating Protein |
| HSAP | High School Admission Process |
| HSAP | Heme Spectral Analysis Program |