| Abbreviation | Definition |
|---|---|
| A/ST | Against |
| AALL | Accredited Association for Labor Legislation |
| AALL | American Association for Labor Legislation |
| AALL | American Association of Labor Legislation |
| ABAAG | Architectural Barriers Act |
| ABC | Alberta Building Code |
| AC | Appellate Court |
| ACJ | Administrative Civil Judge |
| ACMPR | Access to Cannabis for Medical Purposes Regulation |
| ADA | American disabled act |
| ADAAA | Americans with Disabilities Act Amendments Act |
| AFMLS | Asset Forfeiture and Money Laundering Section |
| AFSPA | Arm Forces Special Power Act |
| AGIA | Alaska Gasline Inducement Act |
| AGOA | Africa Growth and Opportunity Act |
| AGOA | Africa Growth Opportunity Act |
| AGOA | African Growth Opportunity Act |
| AHCAA | Affordable Health Care for America Act |
| AHERA | Asbestos Hazardous Emergency Response Act |
| AIPA | American Inventors Protection Act |