PPSU
| Acronym | Definition |
|---|---|
| PPSU | Polyphenylsulfone |
| PPSU | Personal Protective Security Unit |
| PPSU | Personal Printer Spooling Utility |
| PPSU | Professional Porch Sitters Union (est. 1999) |
| PPSU | Propellant and Pressurant Servicing Unit |
| PPSU | Patient Positioning Sensor Unit (radiology) |
| PPSU | Provincial Program Support Unit (Canada) |