| Abbreviation | Definition |
|---|---|
| AAPI | Asian American Pacific Islander |
| AAPI | Asian Americans and Pacific Islanders |
| AAPIE | Apollo Aculturization Program for Imbibing Excellence |
| AAPL | American Anal Plug Lovers |
| AAPP | Albireo Antares Pollux and Polaris |
| AAPP | Anglo American Project in Pompeii |
| AAPP | Anopheline Anti Platelet Protein |
| AAPP | Approximate A Posteriori Probability |
| AAPP | Area Alateen Process Person |
| AAPP | Aspiring Assistant Principal Program |
| AAPP | Aspiring Assistant Principals Program |
| AAPP | Average All Pig Price |
| AAPR | Adult Attachment Prototype Rating |
| AAPR | Advanced Archive Password Recovery |
| AAPR | AES Archive Password Recovery |
| AAPR | All American Pet Resorts |
| AAPR | Assessment Accreditation and Program Review |
| AAPR | Association for Airline Passenger Rights |
| AAPR | Austrian Association for Pattern Recognition |
| AAPR | Average Annual Percentage Rate |