AAPA may refer to:

• Aboriginal Areas Protection Authority, a statutory body protecting sacred sites in the Northern Territory, Australia
• American Academy of Physician Associates, the organization representing physician assisistants in the United States
• American Association of Physical Anthropologists, an American-based international scientific society of physical anthropologists
• American Association of Port Authorities, a trade association
• American Association of Public Accountants, former name of the American Institute of Certified Public Accountants
• Asian American Political Alliance, a political organization in the 1960s aiming to unite all Asian Americans to push for political change
• Association Against the Prohibition Amendment, a leading organization working for the repeal of prohibition in the United States
• Association of Asia Pacific Airlines, a trade association
• Association of Authorised Public Accountants, a British professional body for public accountants
• Australian Aboriginal Progressive Association (1924–1927), an Aboriginal advocacy body based in Sydney, Australia
• Australian Airline Pilot Academy, see Wagga Wagga Airport#Pilot academy