| Acronym | Definition |
|---|
| PISA | Programme for International Student Assessment |
| PISA | Program for International Student Assessment (US) |
| PISA | Penang International Sports Arena |
| PISA | Programmable Intelligent Services Accelerator |
| PISA | Programme International pour le Suivi des Acquis des Élèves (French: Programme for International Student Assessment; various locations) |
| PISA | Proximal Isovelocity Surface Area (echocardiography) |
| PISA | Privacy Incorporated Software Agent (EU) |
| PISA | Professional Investigators and Security Association |
| PISA | Private Investigators and Security Agencies (Canada) |
| PISA | Portable Instruction Set Architecture (MIPS-like instruction set) |
| PISA | Portable Information System Architecture |
| PISA | Perspectives of Intelligent Systems' Assistance (workshop) |
| PISA | PHENIX Integrated Simulation Package |
| PISA | Polymorphic Instruction Set Architecture |
