| Acronym | Meaning |
| PP | Parcel Post |
| PP | Parent Parcel |
| PP | Particular Person |
| PP | Partido Popular (Spanish political party) |
| PP | Passport |
| PP | Patriot Party (Guatemala) |
| PP | Pay Period |
| PP | Peak-to-Peak |
| PP | Peraturan Pemerintah (Indonesian: government regulations) |
| PP | Peripheral Processor |
| PP | Permanent Party |
| PP | Personal Property |
| PP | Personnel Protection |
| PP | Peru Posible (political party) |
| PP | Piece Part |
| PP | Pilot Production |
| PP | Pinellas Plant (Florida) |
| PP | Planetary Protection (NASA) |
| PP | Planning Package |
| PP | Point Paper |
| PP | Police Post |
| PP | Porozumienie Polskie (Polish Accord) |
| PP | Postage Paid |
| PP | Power Plant (aircraft engine) |
| PP | Pre-Processor |
| PP | Préfecture de Police (France) |
| PP | Premium Processing (US Department of Homeland Security) |
| PP | Present Position |
| PP | Previous Period |
| PP | Problem Priority |
| PP | Process Planning |
| PP | Procurement Plan |
| PP | Production Phase |
| PP | Production Planner/Planning |
| PP | Program Package |
| PP | Program Plan/Planning |
| PP | Program/Procurement Plan |
| PP | Progressive Party |
| PP | Project Planning |
| PP | Public Prosecuter |
| PP | Punjab Police (India) |
| PP | Purchase Price |