| Acronym | Definition |
|---|
| ASAS | All Source Analysis System |
| ASAS | Australian Special Air Service |
| ASAS | American Society of Animal Science |
| ASAS | American Society of Animal Science (Savoy, IL) |
| ASAS | All Sources Analysis System |
| ASAS | Airborne Separation Assurance System |
| ASAS | All Sky Automated Survey (Polish astronomy project) |
| ASAS | Anderson Symptom Assessment System (health evaluation) |
| ASAS | All Saints Anglican School (Gold Coast, Australia) |
| ASAS | Advanced Solid Axial Stage |
| ASAS | Advanced Solid-state Array Spectrometer |
| ASAS | Actor/Scriptor Animation System |
| ASAS | American Society of Abdominal Surgeons |
| ASAS | Another Side, Another Story (video game Kingdom Hearts) |
| ASAS | Alberta Secure Access Service (Canada) |
| ASAS | Academic Standards and Assessment System |
| ASAS | Aerodynamic Stability Augmentation System |
| ASAS | Addiction & Substance Abuse Specialists |
| ASAS | Airborne Student Accountability System |
| ASAS | Association of Southeast Asian Students |
| ASAS | Argininosuccinic Acid Synthase Deficiency |
| ASAS | Aviation Safety Analysis Subsystem |
| ASAS | Association of Southern Aquarists Societies (UK) |
| ASAS | Automated Single Audio System (SA-2112/USQ) |
| ASAS | Apsra School of Ancient Science (India) |
| ASAS | Atkins Stress Analysis System |