| 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) |