| Acronym | Definition |
|---|
| PPPI | Public-Private Partnership in Infrastructure (program) |
| PPPI | Ppp over Irda |
| PPPI | Parc Privé Potentiellement Indigne (French: Potentially Unworthy Private Park) |
| PPPI | Pre-Planned Product Improvement |
| PPPI | Persatuan Perusahaan Periklanan Indonesia (Indonesian: Indonesian Advertising Agency Association; Indonesia) |
| PPPI | Projection Plan Position Indicator (US Navy) |
| PPPI | Phoenix Petroleum Philippines, Inc. (Davao City, Philippines) |
| PPPI | Private Provision of Public Infrastructure (Australia) |
| PPPI | Preproduction Product Improvement |