| Acronym | Definition |
|---|
| PSPI➣Product Sensitive Programming Interface |
| PSPI➣Psychological Science in the Public Interest (publication; Association for Psychological Science) |
| PSPI➣Photosensitive Polyimide |
| PSPI➣Pusat Studi Properti Indonesia (Indonesian: Indonesian Property Studies Center; Jakarta, Indonesia) |
| PSPI➣Population Services Pilipinas Incorporated (HIV/AIDS prevention; Philippines) |
| PSPI➣Physique et Sciences Pour l'Ingénieur (French: Physical and Engineering Sciences; various universities) |
| PSPI➣Progressive Supranuclear Palsy Information |
| PSPI➣Period Schedule Performance Index |
| PSPI➣Procurement Standard Practice Instructions |