| Acronym | Definition |
|---|
| HSP | Heat-Shock Protein |
| HSP | Highly Sensitive People |
| HSP | Harcourt School Publishers (est. 1919; Orlando, FL) |
| HSP | Hospital Corporation of America (stock symbol) |
| HSP | Hereditary Spastic Paraplegia |
| HSP | Hot Soup Processor (programming language) |
| HSP | Halal Snack Pack (Australia) |
| HSP | Hamburger Schreib-Probe (German writing sample diagnostic) |
| HSP | Health Service Provider |
| HSP | Henoch-Schoenlein Purpura (inflammation of small blood vessels) |
| HSP | Hoog Sensitieve Personen (Dutch: Highly Sensitive People) |
| HSP | Highway Safety Program |
| HSP | Hypersensitivity Pneumonitis |
| HSP | High Stakes Poker (TV show) |
| HSP | Hot Spare |
| HSP | Health and Safety Plan |
| HSP | Human Services Policy (USA) |
| HSP | High Speed Profile |
| HSP | High Speed Publishing |
| HSP | High Speed Plotter |
| HSP | High Speed Processing |
| HSP | Headset Profile |
| HSP | High Speed Protocol |
| HSP | Host Support Package |
| HSP | High Speed Polygon |
| HSP | Host Slave Present |
| HSP | Handheld Software Platform |
| HSP | Hosting Service Provider |
| HSP | Human Subject Protection (Office for Human Research Protections; US DHHS) |
| HSP | Hrvatska Stranka Prava (Croat Party of Rights/Law; Bosnia and Herzegovina) |
| HSP | Hidden Subgroup Problem (mathematics) |
| HSP | High-Speed Photometer |
| HSP | Hargreaves Services PLC (UK) |
| HSP | Head Start Program (various locations) |
| HSP | Host Signal Processing |
| HSP | High Scoring Pair |
| HSP | High Speed Printer |
| HSP | High Speed Photometer |
| HSP | High Street Partners (various locations) |
| HSP | Habitat Stewardship Program (Canada) |
| HSP | High Speed Processor |
| HSP | Huygens Scholarship Programme (Netherlands) |
| HSP | Hot Springs, Virginia (airport code) |
| HSP | Horst Schlämmer Partei (German fictional political party) |
| HSP | High Service Pump (water treatment) |
| HSP | Health Strategic Plan (various locations) |
| HSP | Health Scrutiny Panel (UK) |
| HSP | Housing Services Program (various locations) |
| HSP | High School Profile |
| HSP | High-Speed Pulse |
| HSP | Health Sector Policy (various organizations) |
| HSP | Hemorrhagic Stroke Project |
| HSP | Hellenic Studies Program (Yale University; New Haven, CT) |
| HSP | High Security Padlock |
| HSP | Horizontal Sync Pulse |
| HSP | High Set Point |
| HSP | Host Signal Processor |
| HSP | Home Staging Professional |
| HSP | High Standard Products (various locations) |
| HSP | Health Survey Program (various locations) |
| HSP | Husbanding Service Provider (US Navy) |
| HSP | Health Stabilization Program (US NASA) |
| HSP | Honors Scholar Program (various schools) |
| HSP | High Steam Pressure |
| HSP | Health Sciences Professionals |
| HSP | High Speed Proxy |
| HSP | Home Support Professional |
| HSP | High Speed Peering |
| HSP | Heroin Signature Program |
| HSP | Humanitarian Support Professional |
| HSP | Haleakala Stokes Polarimeter |
| HSP | Home Schools Program (Pakistan) |
| HSP | Hidden Sevice Protocol |
| HSP | Housing Selection Process (various schools) |
| HSP | Hospital Specific Portion |
| HSP | Hub Satellite Processor |
| HSP | Hypersensory Perception |
| HSP | Human Sciences Program |
| HSP | Hardware Simulation Program |
| HSP | Hershey Sundae Pie (Burger King) |
| HSP | Half-Sine Pulse |
| HSP | Half-Shade Plate |
| HSP | Hot Stamping Press |
| HSP | Hard Schedulability Property |
| HSP | Human Serum Pre-Albumin |
| HSP | Half-Spectrum Property |
| HSP | Hot Start Preventer (UH-60 Black Hawk) |