| Abbreviation | Definition |
|---|---|
| ASCLU | American Society of Chartered Life Underwriters |
| ASCO | American Society of Clinical Oncology |
| ASCO | Association of Schools and Colleges of Optometry |
| ASCP | American Society for Clinical Pathology |
| ASCP | American Society of Consultant Pharmacists |
| ASCP | Associated Skin Care Professionals |
| ASCPA | Arizona Society of Certified Public Accountants |
| ASCPT | American Society for Clinical Pharmacology and Therapeutics |
| ASCRS | American Society of Cataract and Refractive Surgery |
| ASCRS | American Society of Colon and Rectal Surgeons |
| ASDA | American Stamp Dealers Association |
| ASDF | Association of Scientists Developers and Faculties |
| ASDS | American Society for Dermatologic Surgery |
| ASE | American Society of Echocardiography |
| ASEAMS | Association of South-East Asian Marine Scientists |
| ASED | Association for Socio Economic Development |
| ASEE | American Society for Engineering Education |
| ASEE | Association of Supervisory Electrical Engineers |
| ASEI | ASCOTEC Steel Empowerment Index |
| ASF | Accademia delle Scienze di Ferrara |