AAP

Aap or AAP may refer to:

Places

 * Alexandra Palace railway station in London, UK
 * Ann Arbor Pioneer High School, a high school in Michigan, United States
 * Cornell University College of Architecture, Art, and Planning, New York, United States

Aerodromes

 * Aji Pangeran Tumenggung Pranoto International Airport IATA code
 * Aappilattoq Heliport (Avannaata) in Aappilattoq, Greenland
 * Andrau Airpark, a former airport in Houston, Texas, United States

Aviation and aerospace

 * Agrupación Aérea Presidencial, the Argentine president's personal air fleet
 * Apollo Applications Program, NASA's vision for long-range space exploration based on technologies developed for Project Apollo
 * Aircraft Acceptance Point, a term used by the Royal Flying Corps to designate Lympne Aerodrome (later RAF Lympne)

Business

 * Accredited ACH Professional, an Electronic Payments Professional
 * Advance Auto Parts, an American vehicle parts retailer
 * Associated Artists Productions, a film distributor
 * Association of American Publishers, a United States trade association

Language, linguistics, vocabulary

 * Ap (water), a Sanskrit word
 * Pará Arára language, a Cariban language of Brazil

Media

 * ArtAsiaPacific, a contemporary art and culture magazine
 * Australian Associated Press, Australia's national news agency

Medicine and dentistry

 * Alanine aminopeptidase, a medical biomarker enzyme
 * Atypical antipsychotic, a group of antipsychotic drugs
 * American Academy of Pediatrics, an American and Canadian professional medical fellowship
 * American Academy of Periodontology, a professional organization for periodontists
 * Association of Academic Physiatrists, an organization to support the advancement of physical medicine and rehabilitation
 * Association of American Physicians, a medical honor society

Politics

 * Aam Aadmi Party, a political party in India

Miscellaneous organizations

 * Airport Armed Police in Bangladesh
 * Association of Australasian Palaeontologists
 * Australasian Association of Philosophy
 * Automobile Association Philippines, a member of the Fédération Internationale de l'Automobile

Technology

 * A-A-P, a computer software build and installation utility
 * Advanced Active Partition, a special type of active partition in a MBR

Other uses

 * Argumentum ad populum, a logical fallacy
 * Aerobic anoxygenic phototroph, a metabolic classification of bacteria