| Acronym | Definition |
|---|
| PPD | Prepaid |
| PPD | Post Paid |
| PPD | Postponed (sporting events) |
| PPD | Postscript Printer Description |
| PPD | Postpartum Depression |
| PPD | Purified Protein Derivative (skin test agent; tuberculosis) |
| PPD | Permanent Partial Disability (insurance) |
| PPD | Pharmaceutical Product Development, Inc. |
| PPD | Partido por la Democracia (Party for Democracy, Chile) |
| PPD | Partido Popular Democrático (Popular Democratic Party, political party, Puerto Rico) |
| PPD | PostScript Printer Definition |
| PPD | Per Patient Day |
| PPD | Personal & Professional Development |
| PPD | Pagan Pride Day |
| PPD | Paranoid Personality Disorder |
| PPD | Phoenix Police Department (Phoenix, Arizona, USA) |
| PPD | Philadelphia Police Department |
| PPD | Partial Packet Discard |
| PPD | Predicted Percentage of Dissatisfied (polling) |
| PPD | Party for Democratic Prosperity (The Former Yugolsav Republic of Macedonia) |
| PPD | Paraphenylene-Diamine (allergen) |
| PPD | Pounds Per Day (unit of measure for feeding chlorine gas with a rotameter tube) |
| PPD | Packs Per Day (cigarettes) |
| PPD | Passenger Presence Detection (sensor) |
| PPD | Pour Point Depressant |
| PPD | Pharmaceutical Products Division |
| PPD | Portland Police Department |
| PPD | Progressive Pseudorheumatoid Dysplasia |
| PPD | Points Per Dart |
| PPD | Proposal Package Description |
| PPD | Post-Partum Doula (childbirth) |
| PPD | Plant Population Density |
| PPD | Presidential Protective Division (United States Secret Service) |
| PPD | Personal Protection Device |
| PPD | Plano Police Department (Plano, Texas) |
| PPD | Presidential Protective Detail |
| PPD | Plasmatic Pulsar Device (Star Trek) |
| PPD | Pharmacy Practice Division (University of Wisconsin) |
| PPD | Prepare to Die (gaming) |
| PPD | Public Procurement Directives (European Commission) |
| PPD | Personal Property Division (JPPSO) |
| PPD | Program for People with Disabilities |
| PPD | Partia e Prosperitetit Demokratik (democratic prosperity party; Kosovo) |
| PPD | Prediction Probe Detector |
| PPD | Project Proposal Document |
| PPD | Project-Peculiar Document |
| PPD | Partnership for People with Disabilities (formerly Virginia Institute for Developmental Disabilities; Virginia Commonwealth University) |
| PPD | Project Plan Document |
| PPD | Patent Policy Directorate (Canada) |
| PPD | Poughkeepsie Police Department (New York) |
| PPD | Product Planning & Development |
| PPD | Packet Pair Dispersion |
| PPD | Point Positioning Data |
| PPD | Production Program Definition (document) |
| PPD | Physical Page of Data |
| PPD | Plans and Programs Detachment |
| PPD | Program Package Document |
| PPD | Propulsion and Powertrain Division |
| PPD | Pulse Position Data |
| PPD | Postal Presort Defaults |
| PPD | Primary Power Distribution |
| PPD | Parts Per Deciliter |
| PPD | Primary Policy Database (Safenet) |
| PPD | prepubertal diabetic |
| PPD | Program/Project Planning Document |
| PPD | Proposed Plan Distribution |
| PPD | Professional Product Device |
| PPD | Principals, Partners and Directors (consulting and auditing firms) |
| PPD | Petroleum Production Division |