| Acronym | Definition |
|---|
| PD | Period |
| PD | Paid |
| PD | Professional Development |
| PD | Public Domain |
| PD | Police Department |
| PD | Public Defender |
| PD | Palladium |
| PD | Parkinson's Disease |
| PD | Padova (Veneto, Italy) |
| PD | Partito Democratico (Italian: Democratic Party) |
| PD | Plain Dealer (Cleveland newspaper) |
| PD | Product Development |
| PD | Power Dissipation |
| PD | Power Distribution |
| PD | Product Data |
| PD | Panic Disorder |
| PD | Policy Development |
| PD | Program Definition |
| PD | Project Director |
| PD | Power Down (assembly language directive) |
| PD | Personal Development |
| PD | Peritoneal Dialysis |
| PD | Pharmacodynamic |
| PD | Project Description |
| PD | Propagation Delay |
| PD | Position Description |
| PD | Personality Disorder |
| PD | Pure Data (programming environment) |
| PD | Privatdozent |
| PD | Property Damage (insurance) |
| PD | Progressive Disease |
| PD | Per Diem |
| PD | Process Data |
| PD | Presidential Declaration |
| PD | Post Data (Latin: After the Date) |
| PD | Public Diplomacy |
| PD | Princess Diaries (movie) |
| PD | Probability of Default |
| PD | Problem Determination |
| PD | Positive Displacement (pump type) |
| PD | Periodontal Disease |
| PD | Past Due |
| PD | Pupillary Distance (distance between the centers of rotation of a pair of human eyes) |
| PD | Perfect Dark (video game) |
| PD | Partidul Democrat (Democratic Party, Romania) |
| PD | Potential Difference |
| PD | Pulse Duration |
| PD | Palm Desert (California) |
| PD | Permanent Disability |
| PD | Preliminary Design |
| PD | Prisoner's Dilemma (game theory problem) |
| PD | Partial Discharge |
| PD | Power Device |
| PD | Positive Definite |
| PD | P. Diddy |
| PD | Positive Deviance |
| PD | Port Dickson (Negri Sembilan, Malaysia) |
| PD | Point of Departure |
| PD | Phase Detector |
| PD | Presidential directive |
| PD | Protection Domain |
| PD | Puff Daddy |
| PD | Powerdrive (drilling) |
| PD | Probability of Detection |
| PD | Program Document |
| PD | Pen Down (Hyper Logo Turtle graphics command) |
| PD | Pancreatic Duct |
| PD | Purchasing Department |
| PD | Proportional Derivative |
| PD | Photoelectron Diffraction |
| PD | Program Directive |
| PD | Pen Down |
| PD | Power Divider |
| PD | Parameter Data |
| PD | Performance Designs, Inc (Delano, FL) |
| PD | Physical Distribution |
| PD | Point Defense |
| PD | Proposed Draft |
| PD | Play Dead |
| PD | Personality Development |
| PD | Petroleum Division (American Society of Mechanical Engineers) |
| PD | Primary Doctor |
| PD | Presidential Decision |
| PD | Purchase Description |
| PD | Doctor of Pharmacy (degree) |
| PD | Pitch Diameter |
| PD | Postural Drainage (respiratory physiotherapy) |
| PD | Procurement Department |
| PD | Presidential Determination |
| PD | Programming Director |
| PD | Piledriver (pro wrestling move) |
| PD | Program Developer |
| PD | Power Distributor |
| PD | Panzer Division (WWII) |
| PD | Point Detonating (Fuse) |
| PD | Pulse Doppler |
| PD | Proportional and Derivative |
| PD | Dissipated Power |
| PD | Position Document |
| PD | Plastic Drum (environmental waste) |
| PD | Purple Dinosaur |
| PD | Polydypsia |
| PD | Point Dipole |
| PD | Predicted Difference (breeding) |
| PD | Pass Deflection (football statistics) |
| PD | Pokemon Dash (cartoon) |
| PD | Prevent Defense |
| PD | Protocol Discriminator (GPRS LLC-layer address field format) |
| PD | Proposed Document (review process) |
| PD | procedures description (US DoD) |
| PD | Probability of Damage |
| PD | Periscope Depth |
| PD | Program Directorate (SPAWAR) |
| PD | Please Die (gaming) |
| PD | Partia Demokratike e Shqipërisë (Democratic Party of Albania) |
| PD | Priority Designator |
| PD | Phase Diversity (method for estimating an object as well as optical aberrations from image data) |
| PD | Patch Density |
| PD | Partition Descriptor (OSTA universal disk format) |
| PD | Party of Democrats (San Marino) |
| PD | Pullorum Disease (Chicken Salmonellosis) |
| PD | Propulsion Directorate |
| PD | Partia e Drejtësisë (Justice Party, Kosovo) |
| PD | Packetization Delay |
| PD | Personlig Datamaskin (Norwegian) |
| PD | Program/Project Development |
| PD | Planning Directive |
| PD | Project Dolphin (GameCube nickname) |
| PD | Peter Doran (Irish musician) |
| PD | Plastic Duct (construction) |
| PD | Pitch Distance |
| PD | Permeability Distribution |
| PD | Progeny Difference |
| PD | Pre-Distorter |
| PD | Population Density/Distribution |
| PD | Piss Drunks (band) |
| PD | Profile Descent (aviation) |
| PD | Precedence Diagram |
| PD | PlanetDescent (website devoted to Descent video game) |
| PD | Product Directorate |
| PD | Phase Directed |
| PD | Procurement Demand |
| PD | Pilot's Discretion (aviation) |
| PD | Photo Diode Detector |
| PD | People's Drama |
| PD | Pathogen Density |
| PD | Pilot Dogs |
| PD | Program Directorates |
| Pd | drift compensated parallelogram pattern (US DoD) |
| PD | Planarization Distance |
| PD | Prime Dictate (edict of law issued by a prime minister) |
| PD | Partial Despreading |
| PD | Phase Change Dual-Layer (optical media format) |
| PD | Precipitation Drain |
| PD | Palmtop Device |
| PD | Post-Design Studio (Russia) |
| PD | Peel Deveined (shrimp) |
| PD | Past Decay |
| PD | Pistol Detail (USMC) |
| PD | Placename Database |
| PD | Progressive Demokraten |
| PD | Program Director/ate |
| PD | PURiTY-DivX (EFnet mirc channel) |
| PD | Project Directive/Director |
| PD | Photonics Reference Distributor |
| PD | Porco Dio |