| Abbreviation | Definition |
|---|---|
| ASQSP | American Society for Quality Strategic Plan |
| ASRM | American Society for Reproductive Medicine |
| ASRT | American Society of Radiologic Technologists |
| ASSA | ASEAN Social Security Association |
| ASSE | American Society of Sanitary Engineering |
| ASSG | Association Of Scottish Shellfish Growers |
| ASSM | Association Of State Supervisors Of Mathematics |
| ASS'N | Association |
| ASST | Applied Scientific Services Technology |
| ASST | Applied Scientific Services & Technology |
| AST | Association for Software Testing |
| AST | Association of Surgical Technologists |
| ASTA | Abersoch Sailing Training Association |
| ASTA | American Society of Travel Agents |
| ASTA | American Spice Traders Association |
| ASTA | American Surgical Trade Association |
| ASTC | Association Of Science Technology Centers |
| ASTC | The Association Of Science And Technology Centers |
| ASTD | American Society for Training and Development |
| ASTDA | American Sexually Transmitted Disease Association |