| Abbreviation | Definition |
|---|---|
| AASI | Ambulatory Arterial Stiffness Index |
| AASM | Acts As State Machine |
| AASM | Adjusted Average Score Margin |
| AASM | Armament Air Sol Modulaire |
| AASM | Armement Air Sol Modulaire |
| AASM | Armement Air Sol Modulairewhich |
| AASO | Autonomous Aerial Systems Office |
| AASP | Alabama Association of Sleep Professionals |
| AASP | Apple Authorized Service Provider |
| AASP | Arizona Association of School Psychologists |
| AASP | Ascending Aorta Synchronized Pulsation |
| AASP | Asian American Sponsor Program |
| AASP | Association for Applied Sport Psychology |
| AASP | Association of Advancement Services Professional's |
| AASP | Association of Applied Sport Psychology |
| AASP | Audio And Acoustic Signal Processing |
| AASS | Adaptive Antenna Systems Symposium |
| AASS | Advanced Airborne Surveillance Sensor |
| AASS | Advanced Audio Server Set |
| AASS | African American Student Services |