| APD | Academy for Peace and Development 
| Others |
| APD | Accessory Pancreatic Duct
| Others |
| APD | Accredited Practicing Dietitian
| Others |
| APD | Accredited Practising Dietitian
| Others |
| APD | Acid Peptic Disease
| Others |
| APD | Acquired Perforating Dermatosis
| Others |
| APD | Action Potential Duration
| Others |
| APD | Actual Profit Difference
| Others |
| APD | Adam Phillips Design
| Others |
| APD | Additional Product Documentation
| Others |
| APD | Adult Polycystic Disease
| Others |
| APD | Advanced PHP debugger
| Others |
| APD | Advanced Planning Document
| Others |
| APD | Advanced Products Dealer
| Others |
| APD | Advanced Professional Development
| Others |
| APD | Afferent Pupillary Defect
| Others |
| APD | Ag Progress Days
| Others |
| APD | Agency for Persons with Disabilities
| Others |
| APD | Air Passenger Duty
| Others |
| APD | Air Pressure Drop
| Others |
| APD | Alarm Philosophy Document
| Others |
| APD | Alarm Products Distributors
| Others |
| APD | Albany Port District
| Others |
| APD | Albuquerque Police Department
| Others |
| APD | Albuquerque Police Department's
| Others |
| APD | Aldus PageMaker Aldus Printer Description
| Others |
| APD | Aldus Printer Description
| Others |
| APD | Alice Peck Day
| Others |
| APD | alkaline phosphodiesterase
| Others |
| APD | All Path Down
| Others |
| APD | All Paths Down
| Others |
| APD | All Positions Dancing
| Others |
| APD | All Purpose Destroyer
| Others |
| APD | Alpha Phi Delta
| Others |
| APD | Always Payin Dues
| Others |
| APD | American Pet Diner
| Others |
| APD | Amplitude Probability Distribution
| Others |
| APD | Analysis Process Design
| Others |
| APD | Anchorage Police Department
| Others |
| APD | Anchorage Police Department's
| Others |
| APD | and APD definition
| Others |
| APD | Annual Pasta Dinner
| Others |
| APD | Another Person Dead
| Others |
| APD | Another Person Down
| Others |
| APD | Antero-Posterior Diameter
| Others |
| APD | Anti Penetration Device
| Others |
| APD | Anti-Psychotic Drug
| Others |
| APD | Antimicrobial Peptide Database
| Others |
| APD | Antisocial Personality Disorder
| Others |
| APD | Application for Permit to Drill
| Others |
| APD | Application Program Driver
| Others |
| APD | Architecture Planning And Design
| Others |
| APD | Architecture Process Design
| Others |
| APD | Area Planning and Development
| Others |
| APD | Army Publishing Directorate
| Others |
| APD | Articulation-Phonological Disorder
| Others |
| APD | Asia Pacific Digital
| Others |
| APD | Assertions and Printf Debugging
| Others |
| APD | Assertions and Printf Debugging (Library for C code)
| Others |
| APD | Assistant Program Director
| Others |
| APD | Atlanta Police Department
| Others |
| APD | Atrial Premature Depolarisation
| Others |
| APD | Audi Piloted Driving
| Others |
| APD | Auditory Processing Disorder
| Others |
| APD | Augmented Polymer Deposition
| Others |
| APD | Austin Police Department
| Others |
| APD | Austin's police department
| Others |
| APD | Auto Parts and Diagnostics
| Others |
| APD | Auto Parts Distributor
| Others |
| APD | Auto Property Damage
| Others |
| APD | Automated Peritoneal Dialysis
| Others |
| APD | Automatic Payroll Deposit
| Others |
| APD | Automatic Peritoneal Dialysis
| Others |
| APD | Automatic Portion Device
| Others |
| APD | Automatic Power Down
| Others |
| APD | Automobile Profile Design
| Others |
| APD | Automotive Parts Distribution
| Others |
| APD | Automotive Performance Development
| Others |
| APD | Automotive Performance Distributors
| Others |
| APD | Auxiliary, Personnel, Destroyer (fast transport)
| Others |
| APD | Avalanche Photo Diode
| Others |
| APD | avalanche photodiode and D
| Others |
| APD | Average Passenger Delay
| Others |
| APD | Average Payload Depth
| Others |
| APD | Average Penetration Depth
| Others |
| APD | Average Percentage Deviation
| Others |
| APD | Avigilon Presence Detector
| Others |
| APD | Avoidant Personality Disorder
| Others |
| APD | Lotus 1-2-3 Printer driver
| Others |