| Acronym | Definition |
|---|
| PPN | Pajak Pertambahan Nilai (Indonesian: Increment Value Tax) |
| PPN | Perencanaan Pembangunan Nasional (Indonesian: National Development Planning) |
| PPN | Prima Pagina News (Italy) |
| PPN | Preferred Provider Network |
| PPN | Promising Practices Network (website) |
| PPN | Pedunculopontine Nucleus |
| PPN | Pre-Pottery Neolithic |
| PPN | Peripheral Parenteral Nutrition (therapy) |
| PPN | Peer to Peer Networking |
| PPN | Pure Packet Node |
| PPN | Public Packet Network |
| PPN | Poleski Park Narodowy (Polish: Poleski National Park) |
| PPN | Partial Parenteral Nutrition |
| PPN | Plant-Parasitic Nematode |
| PPN | Principal Protected Note |
| PPN | Passport Number |
| PPN | Public Procurement Network (UK) |
| PPN | Polyhedral Process Network |
| PPN | Pharmacy Product Number |
| PPN | Project Programmer Number |
| PPN | Physical Page Number (memory architecture) |
| PPN | Pay per Night (TV) |
| PPN | Proto-Planetary Nebula |
| PPN | Parti Progressiste Nigérien (French: Nigerien Progressive Party) |
| PPN | Packet Processor Module |
| PPN | Pre-Penalty Notice (letter sent to alleged violators of US Treasury Dept. laws and codes) |
| PPN | Peaches, Plums and Nectarines |
| PPN | Professional Placement Network (Boynton Beach, FL) |
| PPN | Pokemon Palace Network (websites) |
| PPN | Protection Person Name (recipient of protective order; NCIC form datum) |
| PPN | Processor Port Network |
| PPN | Pedunculopontine Neurons |
| PPN | Private Packet Network |
| PPN | Pure Proportional Navigation |
| PPN | Positive People Network (online chat group) |
| PPN | Peer Production News |
| PPN | Parameterized Post-Newtonianformalism for General Relativity |
| PPN | Prioritized Petri Net |
| PPN | Paraproteinemic Polyneuropathy |
| PPN | Persian Pop Network |