| Abbreviation | Definition |
|---|---|
| ASHP | American Society of Hospital Pharmacists |
| ASHRAE | American Society of Heating, Refrigerating and Air-Conditioning Engineers |
| ASHRM | American Society for Healthcare Risk Management |
| ASI | American Society of Indexers |
| ASI | Architects and Surveyors Institute |
| ASIA | American Sheep Industry Association |
| ASIC | American Society of Irrigation Consultants |
| ASIC | Auto Service International Cooperative |
| ASIM | American College of Physicians/American Society of Internal Medicine |
| ASIS | American Society for Industrial Security |
| ASIS | American Society for Information Science |
| ASJSA | American Society of Journalism School Administrators |
| ASLA | Alberta Science Literacy Association |
| ASLAP | American Society of Laboratory Animal Practitioners |
| ASLTA | American Sign Language Teachers Association |
| ASM | Actuarial Society of Malaysia |
| ASM | American Society for Metals |
| ASM | American Society for Microbiology |
| ASM | Association for Systems Management |
| AsMA | Aerospace Medical Association |