AAAP

"aaap" or "AAAP" may refer to:
 * Amateur Astronomers Association of Pittsburgh
 * Amino Acid/Auxin Permease (AAAP) Family, family of secondary transport proteins
 * American Academy of Addiction Psychiatry
 * American Association of Applied Psychologists
 * Asociación de Atletismo del Alto Paraná
 * American Association for Applied Psychology
 * NASDAQ-Code for Advanced Accelerator Applications
 * Atheists & Agnostics Alliance Pakistan