APD is an initialism that may refer to:

Medicine

Afferent pupillary defect A relative afferent pupillary defect (RAPD), also known as a Marcus Gunn pupil, is a medical sign observed during the swinging-flashlight test whereupon the patient's pupils dilate when a bright light is swung from the unaffected eye to the affec ...

Acid Peptic Diseases The acid peptic diseases, also known as ''acid peptic disorders'' are a collection of diseases involving acid production in the stomach and nearby parts of the gastrointestinal tract. It includes gastroesophageal reflux disease, gastritis, gastric ...

* Ambulatory Peritoneal Dialysis * Pamidronic acid, also known as aminohydroxypropylidene bisphosphonate * Antipsychotic Drugs * Auditory processing disorder, difficulty in recognising sounds *

Antisocial personality disorder Antisocial personality disorder (ASPD or infrequently APD) is a personality disorder characterized by a long-term pattern of disregard of, or violation of, the rights of others as well as a difficulty sustaining long-term relationships. Lack ...

* Avoidant personality disorder * Antimicrobial Peptide Database *

Autoimmune progesterone dermatitis Autoimmune progesterone dermatitis may appear as urticarial papules, deep gyrate lesions, papulovesicular lesions, an eczematous eruption, or as targetoid lesions. Autoimmune progesterone dermatitis initially manifests with eye symptoms, e.g. burni ...

Law enforcement

Airport Police Division The Airport Police Division (APD) is the airport police unit of the Singapore Police Force. It has jurisdiction and responsibility for the maintenance of law and order within Singapore Changi Airport, Seletar Airport, Changi Airfreight Centre and ...

, Singapore * Akron Police Department *

Albany Police Department (Oregon) Albany is the county seat of Linn County, Oregon, Linn County, Oregon, and is the eleventh largest city in that state. Albany is located in the Willamette Valley at the confluence of the Calapooia River and the Willamette River in both Linn and Ben ...

* Albuquerque Police Department * Amtrak Police Department * Anaheim Police Department *

Anchorage Police Department The Anchorage Police Department (APD) is the police department of the Municipality of Anchorage in Alaska. Functioning as a service area of the Municipality, its patrol area includes the core "Anchorage bowl", the Seward Highway corridor from Po ...

Annapolis Police Department The Annapolis Police Department (APD) is a full-service law enforcement agency servicing a population of over 38,000 residents in of the municipality of Annapolis, Maryland.Antioch Police Department The Antioch Police Department is a police department serving the East Bay city of Antioch, California in the San Francisco Bay Area. History The police department was created in 1872 to handle security and law enforcement in the coal mining tow ...

* Apopka Police Department * Arcadia Police Department * Asheville Police Department * Atlanta Police Department *

Aurora Police Department The Aurora Police Department (APD) is a law enforcement agency serving the City of Aurora, Colorado, United States and some surrounding areas. Its headquarters are at East Alameda Parkway. APD is one of the largest municipal police departments in ...

, Colorado * 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'', a Dominican Republic political party * Alpha Phi Delta, an American college fraternity * APD, National Rail code for

Appledore (Kent) railway station Appledore railway station is a Grade II listed station east of Appledore in Kent, England. It is on the Marshlink line, and train services are provided by Southern. The station was constructed in 1851 by the South Eastern Railway and desig ...

APD-40 APD-40 or APD 40 refers to a road composed of the U.S. Route 64 Bypass (US 64 Byp.) and a section of State Route 60 (SR 60) which forms a partial beltway around the business district of Cleveland, Tennessee. The route takes its name ...

, a stretch of highway near Cleveland, Tennessee * A designation for highways that are part of the

Appalachian Development Highway System The Appalachian Development Highway System (ADHS) is a series of highway corridors in the Appalachia region of the eastern United States. The routes are designed as local and regional routes for improving economic development in the historical ...

(ADHS). * '' Association de la paix par le droit'', a French pacifist organisation * Avalanche photodiode, a device for counting photons * Apple Accessory Products Division, former name for The Keyboard Company, Inc. * APD, U.S. Navy hull classification symbol for

high-speed transport High-speed transports were converted destroyers and destroyer escorts used in US Navy amphibious operations in World War II and afterward. They received the US Hull classification symbol APD; "AP" for transport and "D" for destroyer. In 1969, the ...

vessels *

American political development American political development (often abbreviated as APD) is a subfield of political science that studies the historical development of politics in the United States. In American political science departments, it is considered a subfield within Am ...

{{disambiguation