| Acronym | Definition |
|---|
| APD➣ASHA (American Speech-Language-Hearing Association) Professional Development |
| APD➣Austin Police Department |
| APD➣Air Pressure Drop (heating and cooling) |
| APD➣Air Products and Chemicals, Inc. |
| APD➣Appliance Parts Depot (various locations) |
| APD➣Action Potential Duration (electrophysiology) |
| APD➣Auditory Processing Disorder (previously known as Central Auditory Processing Disorder) |
| APD➣Agency for Persons with Disabilities |
| APD➣Aide Publique au Développement (French: Official Development Assistance) |
| APD➣Automatic Peritonaeal Dialysis (nephrology) |
| APD➣Accredited Practising Dietitian (Australia) |
| APD➣Air Passenger Duty |
| APD➣Auto Physical Damage (various organizations) |
| APD➣Avalanche Photodiode |
| APD➣Atlanta Police Department |
| APD➣Albuquerque Police Department (New Mexico, USA) |
| APD➣Assessment of Professional Development (various organizations) |
| APD➣Avalanche Photodetector (optoelectronics) |
| APD➣Avoidant Personality Disorder |
| APD➣Advanced Php Debugger |
| APD➣Application Program Driver |
| APD➣Amplitude Probability Distribution |
| APD➣Advanced Products Dealer |
| APD➣Aldus Printer Description |
| APD➣Associate Program Director (various locations) |
| APD➣Advanced PHP (Hypertext Preprocessor) Debugger |
| APD➣Assistant Project Director |
| APD➣Academic and Professional Development (various locations) |
| APD➣Anchorage Police Department (Alaska, USA) |
| APD➣Ambulanter Pflegedienst GmbH (German: Outpatient Care Service) |
| APD➣Anaheim Police Department |
| APD➣Advance Planning Document |
| APD➣Academic Program Development (various locations) |
| APD➣Avalanche Photo Diode |
| APD➣Application for Permit to Drill (oil & gas) |
| APD➣Army Publishing Directorate |
| APD➣Acid Peptic Disease |
| APD➣Avant Projet Détaillé (French: Detailed Pre-Project; architectural planning stage) |
| APD➣Alexandria Police Department |
| APD➣Avant-Projet Définitif (French: Final Draft) |
| APD➣Automotive Parts Distributors (Canada) |
| APD➣Albany Police Department |
| APD➣Average Period |
| APD➣Automatic Power Down |
| APD➣Alianzas Público Privadas (Spanish: Public-Private Partnership; Guatemalan business law) |
| APD➣Appel de Préparation à la Défense (French: Call for Defense Preparation) |
| APD➣Association of Professors of Dermatology (est. 1960) |
| APD➣As Previously Discussed |
| APD➣Anti-Parallel Diode |
| APD➣Administrative Professionals Day (formerly Secretaries Day; International Association of Administrative Professionals) |
| APD➣Accession Partnership Document (EU membership; Turkey) |
| APD➣Alpha Phi Delta (fraternity) |
| APD➣Arizona Paintball Depot (Phoenix, AZ) |
| APD➣Arcadia Police Department (Arcadia, CA) |
| APD➣Accomplished Performance Dog (USDAA dog agility title) |
| APD➣All Position Dancing (square dancing) |
| APD➣Additional Product Documentation |
| APD➣Application Parameter Descriptor |
| APD➣Administrative Proceedings Division (Virginia) |
| APD➣Auxiliary Personnel Destroyer (transport; US Navy) |
| APD➣Alas Poor Darwin (book) |
| APD➣Arab Press Digest (publication) |
| APD➣Atrial Premature Depolarization |
| APD➣Arcata Police Department |
| APD➣Anakh Punjab Di (Bhangra team; Los Angeles, CA) |
| APD➣Attending Places of Diversion (Quaker religion) |
| APD➣Asian Power Devices Inc. |
| APD➣Asia & Pacific Department (International Monetary Fund) |
| APD➣Abnormal Peak Day (utility gas transmission) |
| APD➣American Poetry Database |
| APD➣Autofahrerpartei Deutschland (Auto Driver Party; Germany) |
| APD➣Adaptive Prefetch Dropping (computer engineering) |
| APD➣African Pollen Database (international research network) |
| APD➣Advanced Professional Degree |
| APD➣Advanced Products Division |
| APD➣Anti-Phase Domain |
| APD➣Association Perspectives Dentaires (French: Dental Outlook Association) |
| APD➣Abington Police Department (Abington, PA) |
| APD➣Asociaþia Pro Democraþia (Romania) |
| APD➣Alternating Polyelectrolyte Deposition |
| APD➣Amsterdam Police Department (New York) |
| APD➣Average Packet Delay |
| APD➣Areal Power Density |
| APD➣Axial Power Distribution |
| APD➣Activity Precedence Diagram |
| APD➣Accounting Policy Division |
| APD➣Air Particulate Detector |
| APD➣Association of Pressure Washer Distributors |
| APD➣Arcata Pizza and Deli |
| APD➣Accurate Peak Detector |
| APD➣Albany Port Railroad Corporation |
| APD➣Advanced Planning Division |
| APD➣Adaptive Preferential Defense |
| APD➣Acting Principal Deputy |
| APD➣Asphalt Pavement Design |
| APD➣Angular Power Distribution |
| APD➣Advanced Practice Doula |
| APD➣Antenna Pointing Data |
| APD➣Astronaut Positioning Device |
| APD➣Area Pharmacy Director (Kaiser Permanente) |
| APD➣Azimuthal Photoelectron Diffraction |
| APD➣Associate Production Director |
| APD➣Advanced Program Development |
| APD➣Air Procurement District |
| APD➣Anti Pit Device (Robot Wars, game) |
| APD➣Area Postal Directory |
| APD➣Assistant Pascal/Delphi |
| APD➣Association pour Assistance aux Personnes Defavorisees (French) |
| APD➣Atmospheric Plasma Decontamination (neutralizing biological warfare agents) |
| APD➣AWIPS Production Decision |
| APD➣Advanced Packet Duplicator |
| APD➣Afterent Pupillary Defect |
| APD➣Aimpoint Determination |
| APD➣Air Pressure Detonator |
| APD➣Angular Probability Density |
| APD➣Announcement of Product Development |
| APD➣Alliance for Paired Donation, Inc. (kidney donation; Maumee, OH) |
| APD➣Advance Planning Directive |
| APD➣All Purpose Decontaminant |
| APD➣Acoustic Products Division |
| APD➣Active Pixel Displays |
| APD➣Axiomatic Product Development Ltd (Concord, ON, Canada and Troy) |
| APD➣All Purpose Defensive (Shelter) |
| APD➣Assertions and Printf Debugging |
| APD➣Avondale Police Department (Avondale, AZ) |
| APD➣Automatic Paralleling Device |