| Abbreviation | Definition |
|---|---|
| APSA | Alto Palermo S A |
| APSA | Alto Palermo S A ADR |
| APSA | Alto Palermo S.A. an |
| APSA | Alto Palermo SA ADR |
| APSA | American Physician Scientists Association |
| APSA | Americans Promoting Study Abroad |
| APSA | Arizona Private School Association |
| APSA | Arizona Process Servers Association |
| APSA | Asia and Pacific Seed Association |
| APSA | Asia Pacific Seeds Association |
| APSA | Association of Professional Security Agencies |
| APSA | Automotive Parts and Services Association |
| APSA | Awake People For Social Activities |
| APSAC | Administrative and Professional Staff Advisory Committee |
| APSAC | Administrative Professional Staff Advisory Committee |
| APSAC | American |
| APSAC | American Professional Society on the Abuse of Children |
| APSAC | Army Public Schools and Colleges |
| APSACS | Andhra Pradesh State AIDS Control Society |
| APSACS | Army Public School And Collage System |