| Acronym | Definition |
|---|
| HPCA | High-Performance Computer Architecture |
| HPCA | High Performance Computing Act |
| HPCA | High Performance Computer Architecture |
| HPCA | Health Practitioners Competence Assurance (bill, New Zealand) |
| HPCA | Hunting Park Christian Academy (Philadelphia, PA) |
| HPCA | Himachal Pradesh Cricket Association |
| HPCA | Hippocalcin |
| HPCA | Hospice & Palliative Care Associates |
| HPCA | High-Performance Computing Act of 1991 |
| HPCA | Hospice Palliative Care Association (South Africa) |
| HPCA | Housing Pressure Cold Advance (solenoid) |
| HPCA | Hawaii Primary Care Association |
| HPCA | Health Professions Council of Australia |
| HPCA | Highland Point Capital Advisors (Fort Meyers, FL) |
| HPCA | Halton-Peel Communications Association |
| HPCA | High Performance Computing and Applications (conference) |
| HPCA | High Point Christian Academy |
| HPCA | Heilpädagogische Centrum Augustinum |
| HPCA | Hot Plasma Composition Analyzer |
| HPCA | Hexagonal Partitioned Cellular Automaton |
| HPCA | Hierarchical Principal Component Analysis |
| HPCA | Health Professionals for Clean Air |
| HPCA | Hawaii Pest Control Association (Honolulu, HI) |
| HPCA | Halton Partners for Clean Air |
| HPCA | Hart Prenatal Care Actions (scale) |
| HPCA | Hyde Park Alliance Church (Chicago, IL, USA) |
| HPCA | Hungarian Pumi Club of America |