PPX
| Acronym | Definition |
|---|---|
| PPX | Prophylaxis |
| PPX | Protein Phosphatase X (now Protein Phosphatase 4) |
| PPX | PopSci Predictions Exchange (Popular Science feature) |
| PPX | Parallel Port Multiplexor |
| PPX | Parallel Packet Express (control/data flow) |
| PPX | Point to Point Switching |
| PPX | Personne Particulièrement Extraordinaire (French: Especially Extraordinary Person) |
| PPX | Puttied Project X (gaming) |
| PPX | Posture Planning Express |