| Acronym | Definition |
|---|
| PPSE | Perceived Physical Self-Efficacy |
| PPSE | Paper and Printing Science and Engineering (Western Michigan University) |
| PPSE | Professional Process Safety Engineer (Institution of Chemical Engineers; UK) |
| PPSE | Plavsky Particle System Engineering (Gundam Build Fighters) |
| PPSE | Potentiel Post Synaptique Excitateur (French: Excitatory Postsynaptic Potential; neuroscience) |
| PPSE | PayPass Payment System Environment |
| PPSE | Promoting Participation in Sustainable Enterprises (Philippines) |
| PPSE | PAVE PAWS South East |
| PPSE | Proximity Payment System Environment |