APD

APD is an acronym that may refer to:

Medicine

• Afferent pupillary defect
• Ambulatory Peritoneal Dialysis
• Aminohydroxypropylidene bisphosphonate (APD, Aredia)
• Antipsychotic Drugs
• Auditory processing disorder
• Antisocial personality disorder
• Avoidant personality disorder
• Antimicrobial peptide database
• Action Potential Duration

Law enforcement

• Aboriginal Police Directorate (Canada)
• Albany Police Department (Oregon)
• Albuquerque Police Department
• Amtrak Police Department
• Anaheim Police Department
• Anchorage Police Department
• Arcadia Police Department
• Atascadero Police Department
• Atlanta Police Department
• Austin Police Department

Other

• Air Passenger Duty, an excise duty levied on passengers flying from UK airports
• APD, NYSE stock symbol for Air Products & Chemicals
• APD, reporting mark for the Albany Port Railroad
• Alianza por la Democracia (Alliance for Democracy (Dominican Republic)), a Dominican Republic political party
• Alpha Phi Delta, an American college fraternity
• Antisocial personality disorder, a psychological condition
• APD, National Rail code for Appledore (Kent) railway station
• APD-40, a stretch of highway near Cleveland, Tennessee
• Association de la paix par le droit, a French pacifist organization
• Avoidant personality disorder, a psychological condition
• Avalanche photodiode, a device for counting photons
• APD, U.S. Navy type designation for High-speed transport vessels
• ACPI Platform Description, specification of computer hardware under the Advanced Configuration and Power Interface
• Accredited Practicing Dietitian, a certificate issued by the Dietitians Association of Australia