| Abbreviation | Definition |
|---|---|
| APD | Accredited Practicing Dietitian (Australia) |
| APPR | Approximate |
| APPT | Apparent |
| APSM | Applied Physiology and Sport Management |
| ARCS | Associate(-ship) of the Royal College of Science |
| ARCT | Associate of the Royal Conservatory of Toronto |
| ARE | Academic Research and Engineering |
| ARTHIST | Art History |
| ARTSVIS | Visual Arts |
| AS | Advanced Subsidiary |
| AS | Associate of Science |
| ASAD | Association of Software Author & Distributors |
| ASE | Adult Secondary Education |
| ASES | Associate of Science in Engineering Science |
| ASET | Applied Science Engineering and Technology |
| ASN | Associate of Science in Nursing |
| ASOU | American Society of Ophthalmologic Ultrasound |
| AST | Agricultural Systems Technology |
| AST | Associate in Specialized Technology |
| ASU | Arizona Socialist University |