| Abbreviation | Definition |
|---|---|
| AAPA | Asian American Professional Association |
| AAPA | Asian Association for Public Administration |
| AAPA | Association Against the Prohibition Amendment |
| AAPA | Association of Asia Pacific Airlines |
| AAPA | Association of Authorised Public Accountants |
| AAPA | Australian Aboriginal Progress Association |
| AAPB | American Association of Pathologists and Bacteriologists |
| AAPB | Association for Applied Psychophysiology and Biofeedback |
| AAPC | American Association of Political Consultants |
| AAPC | American Association of Professional Coders |
| AAPD | American Association of People with Disabilities |
| AAPDA | American Association of Premier DUI Attorneys |
| AAPE | American Association of Philatelic Exhibitors |
| AAPF | American Association of Professional Farriers |
| AAPG | American Association of Petroleum Geologists |
| AAPHP | Association of Accredited Public Health Programs |
| AAPI | American Association of Paranormal Investigators |
| AAPI | American Association of Physicians of Indian |
| AAPIE | Australian Association for Promoting International Education |
| AAPINA | Asian American Pacific Islander Nurses Association |