PPSO
| Acronym | Definition |
|---|---|
| PPSO | Personal Property Shipping Office |
| PPSO | Programme and Project Support Office |
| PPSO | Parallel Particle Swarm Optimization (computer science) |
| PPSO | Project or Programme Support Office |
| PPSO | Political Philosophy and Social Ontology (workshop; University of Groningen; Netherlands) |
| PPSO | Professional Pharmacy Students Organization (est. 2000) |