| Acronym | Definition |
|---|
| PPST➣Pre-Professional Skills Test |
| PPST➣PostScript Processing Speed Test (printer testing program) |
| PPST➣Pro-Poor Sustainable Tourism |
| PPST➣Portland Parks Swim Team (now Portland Aquatic Club; Oregon) |
| PPST➣Program in Plasma Science and Technology (Princeton University; Princeton, NJ) |
| PPST➣PostScript Printer Speed Test |