| PDE | PA Department of Education 
| Others |
| PDE | Pacific Design Engineering
| Others |
| PDE | Pacific Driver Education
| Others |
| PDE | Paddle Drive Electronics
| Others |
| PDE | Page Directory Entry
| Others |
| PDE | Paint Design Engineering
| Others |
| PDE | Panama Diamond Exchange (Panama City, Panama)
| Others |
| PDE | Pandie Pandie, South Australia, Australia
| Others |
| PDE | Parallel database extensions
| Others |
| PDE | Paramount Digital Entertainment
| Others |
| PDE | Paroxysmal Dyspnea on Exertion
| Others |
| PDE | Partial Differential Equation
| Others |
| PDE | Partial Differential Equations
| Others |
| PDE | Paul Dresher Ensemble
| Others |
| PDE | Pengolahan Data Elektronik (Indonesian: Electronic Data Processing)
| Others |
| PDE | Pennsylvania Department of Education
| Others |
| PDE | Performance Driving Education
| Others |
| PDE | Permission Display Engine
| Others |
| PDE | Permitted Daily Exposure
| Others |
| PDE | Personal Developer's Edition
| Others |
| PDE | Personal Development E
| Others |
| PDE | Personal Development Education
| Others |
| PDE | Personal Digital Entertainment
| Others |
| PDE | Personal Distributed Environment
| Others |
| PDE | Phi Delta Epsilon (medical fraternity)
| Others |
| PDE | Philadelphia Drug Exchange
| Others |
| PDE | Phosphodiesterase
| Others |
| PDE | phosphodiesterase demektir EN
| Others |
| PDE | Photon Detection Efficiency
| Others |
| PDE | Planning, Decision, and Execution
| Others |
| PDE | Plataforma en Defensa de l'Ebre (Catalan: Platform for the Defence of the River Ebre)
| Others |
| PDE | Platform Development Environment
| Others |
| PDE | Plug in Development Environment
| Others |
| PDE | Plug-in Development Environment
| Others |
| PDE | Plugin Development Environment
| Others |
| PDE | Porsche Design Edition
| Others |
| PDE | Porsche Driving Experience
| Others |
| PDE | Portable Device Enumerator
| Others |
| PDE | Portable Electronic Device
| Others |
| PDE | Position Determination Entity
| Others |
| PDE | Possible Duplicate Emission
| Others |
| PDE | Power Distribution Equipment
| Others |
| PDE | Pre Driver Evaluation
| Others |
| PDE | Predictive Density Estimation
| Others |
| PDE | Preliminary Data Element
| Others |
| PDE | Preliminary Determination of Epicenter
| Others |
| PDE | Preliminary Determination of Epicenters
| Others |
| PDE | Present Day English
| Others |
| PDE | Present-Day English
| Others |
| PDE | Primary Developmental Education (US Air Force)
| Others |
| PDE | Print Data Exchange
| Others |
| PDE | Print Dialog Extension
| Others |
| PDE | Probability Density Estimation
| Others |
| PDE | Probability Density Estimation (physics)
| Others |
| PDE | Proc Dir Entry
| Others |
| PDE | Process Development Engineer
| Others |
| PDE | Processing Development Environment
| Others |
| PDE | Processing Development Environment (software)
| Others |
| PDE | Product Data Exchange
| Others |
| PDE | Product Development Engineer
| Others |
| PDE | Professional Designation Examination
| Others |
| PDE | Professional Development & Education
| Others |
| PDE | Professional Development Education
| Others |
| PDE | Program Development Environment
| Others |
| PDE | Project Development Engineer
| Others |
| PDE | Project Dive Exploration
| Others |
| PDE | Project Dive Exploration (Divers Alert Network)
| Others |
| PDE | Projected Operational Environment
| Others |
| PDE | Propagation Delay Estimation
| Others |
| PDE | Provincial Department of Education
| Others |
| PDE | Pseudo Death Experience
| Others |
| PDE | Psychoacoustic Detail Error
| Others |
| PDE | Public Display of Erection
| Others |
| PDE | Pug Dog Encephalitis
| Others |
| PDE | Pulse Detonation Engine
| Others |
| PDE | Pulsed Detonation Engine
| Others |
| PDE | Pumpe Duse Einheit
| Others |
| PDE | Puppy Dog Eyed
| Others |
| PDE | Purely Domestic Enterprise (finance)
| Others |
| PDE | Pyridoxine-Dependent Epilepsy
| Others |