HPSI
| Acronym | Definition |
|---|---|
| HPSI | Holden Psychological Screening Inventory |
| HPSI | High Performance Systems, Inc. (Honolulu, HI) |
| HPSI | High Pressure Safety Injection |
| HPSI | Hydraulic Power Systems, Inc. (North Kansas City, MO) |
| HPSI | Hyde Park Suzuki Institute, Inc. (est. 1998; Chicago, IL) |
| HPSI | Health Professions Stress Inventory (psychology) |
| HPSI | Human-Ported System Interface |
| HPSI | Hybrid Power Solutions, Inc. (Manassas, VA) |