| AAPA | Advertising Agency Production Association 
| Others |
| AAPA | Aftermarket Auto Parts Alliance
| Others |
| AAPA | All Africa Pool Association
| Others |
| AAPA | Alliance for Asian Pacific Administrators
| Others |
| AAPA | American Academy of Physician Assistants
| Others |
| AAPA | American Amateur Press Association
| Others |
| AAPA | American Association of Pathologists Assistants
| Others |
| AAPA | American Association of Pathologists' Assistants
| Others |
| AAPA | American Association of Physical
| Others |
| AAPA | American Association of Physical Anthropologists
| Others |
| AAPA | American Association of Port Authorities
| Others |
| AAPA | American Association of Professional Apiculturists
| Others |
| AAPA | Asian American Parent Association
| Others |
| AAPA | Asian American Political Alliance
| Others |
| AAPA | Asian American Professional Association
| Others |
| AAPA | Asian American Prosecutors Association
| Others |
| AAPA | Asian American Psychological Association
| Others |
| AAPA | Asian Association for Public Administration
| Others |
| AAPA | Associate Annuity Products and Administration
| Others |
| AAPA | Associate of the Association of Authorised Public Accountants
| Others |
| AAPA | Associated Anesthesiologists P A
| Others |
| AAPA | Association Against the Prohibition Amendment
| Others |
| AAPA | Association of Asia Pacific Airlines
| Others |
| AAPA | Association of Authorised Public Accountants
| Others |
| AAPA | Australian Aboriginal Progress Association
| Others |
| AAPA | Australian Aborigines Progressive Association
| Others |
| AAPA | Australian Airline Pilot Academy
| Others |