| Acronym | Definition |
|---|
| PLP | Progressive Liberal Party (Bahamas) |
| PLP | Progressive Labour Party (various countries) |
| PLP | Pyridoxal Phosphate (aminotransferase coenzyme) |
| PLP | Proteolipid Protein |
| PLP | Professeur de Lycée Professionnel (French: Professional High School Teacher) |
| PLP | Peace and Liberation Party (Sierra Leone) |
| PLP | Preformed Line Products (Cleveland, OH) |
| PLP | Parliamentary Labour Party (UK) |
| PLP | Personal Learning Plan (Australia) |
| PLP | Personalized Learning Plan |
| PLP | Phantom Limb Pain |
| PLP | Progressive Labor Party |
| PLP | Plant Pathology |
| PLP | Physical Layer Protocol |
| PLP | Preference Logic Programming |
| PLP | Programmable Lookup Processor |
| PLP | Pipeline Pointer |
| PLP | Pipeline Parallelism |
| PLP | Parallel Logic Programming |
| PLP | Process Logic Paths |
| PLP | Personal Laser Printer |
| PLP | Packet Layer Protocol |
| PLP | Packet Loss Probability |
| PLP | Preferred Lenders Program (SBA delegates loan approval, closing, and most servicing to these lenders) |
| PLP | People's Liberation Party (gaming) |
| PLP | Personalized License Plate |
| PLP | Parent Linking Program (New Jersey) |
| PLP | Packet Level Protocol |
| PLP | Pi Lambda Phi (fraternity) |
| PLP | Product Line Practice |
| PLP | Present Levels of Performance (education) |
| PLP | Presentation Level Protocol |
| PLP | Personal Learning Path |
| PLP | Parliamentary Labor Party (Australia) |
| PLP | Periodate Lysine Paraformaldehyde |
| PLP | Perceptual Linear Predictive (analysis) |
| PLP | People's Labor Party (Papua New Guinea) |
| PLP | Product Line Profitability |
| PLP | Personal License Password |
| PLP | Parking Lot Practice (motorcycle riding program) |
| PLP | Progressive Liberator Party (Guatemala) |
| PLP | Private Label Product |
| PLP | Primary Leadership Programme (UK) |
| PLP | Proteolipid Protein, Myelin |
| PLP | Peer Lending Program |
| PLP | Project Lifecycle Process (various companies) |
| PLP | Papers in Laboratory Phonology (Cambridge University; UK) |
| PLP | Premier Lodging Program (US government) |
| PLP | Pyrotechnic Lap Pretensioner (seatbelts) |
| PLP | Party Line Protocol |
| PLP | Preserve Life, Limit the Effects, Promote recovery (goals of first responders) |
| PLP | Private Label Partners, Inc. (Elmont, NY) |
| PLP | Power Law Process (reliability) |
| PLP | Performance Level Percentage |
| PLP | Pamantasan Ng Lungsod Ng Pasay (University of the City of Pasig, Philippines) |
| PLP | Public Leaning Post |
| PLP | Piridossalfosfato (Italian) |
| PLP | Premium Licensing Program (Citrix) |
| PLP | Preferred Legal Plan (Miami, FL) |
| PLP | Personal Leaning Post |
| PLP | Pattern Learning Parser |
| PLP | Poopy Loopy Pipes (slang for network congestion) |
| PLP | Platonic Life Partners |
| PLP | People Loving People (Trail, BC, Canada) |
| PLP | Pitch Lock Pin |
| PLP | Perlpage (Perl-in-HTML embedder) |
| PLP | Precision Learning Program (PTC) |
| PLP | Pre-mobilization Legal Preparation |
| PLP | Power Limits Program |
| PLP | Parametric Linear Pulse |
| PLP | Propagation Loss Profiles |
| PLP | Permanent Life Partner |
| PLP | Positive Launch Procedures |
| PLP | Pixel-Level Precision |
| PLP | Pulse Level Processor |
| PLP | Project Level Productivity |
| PLP | Private Leaning Post |
| PLP | Programming Language Paradigm (computer science) |
| PLP | Parkari Literacy Project (Parkari Community Development Programme; Pakistan) |