| Acronym | Definition |
|---|
| ARIA | Accessible Rich Internet Applications |
| ARIA | Ariad Pharmaceuticals, Inc. (stock symbol) |
| ARIA | Accessibility/Remoteness Index of Australia |
| ARIA | Australian Record Industry Association |
| ARIA | American Risk and Insurance Association (Malvern, PA) |
| ARIA | Allergic Rhinitis and its Impact on Asthma |
| ARIA | Association of Rhode Island Authors (writing group) |
| ARIA | American Riding Instructors Association |
| ARIA | Advanced Range Instrumentation Aircraft |
| ARIA | Arizona Regional Image Archive |
| ARIA | Amyloid Related Imaging Abnormality |
| ARIA | Alberta Recording Industries Association (Canada) |
| ARIA | Assessing Regional Integration in Africa |
| ARIA | Ambiguous Restraints for Iterative Assignment |
| ARIA | Association Régionale de l'Industrie Automobile |
| ARIA | Astellas Research Institute of America (Deerfield, IL) |
| ARIA | ActivMedia Robotics Interface for Applications (ActivMedia Robotics, LLC) |
| ARIA | Association for Research in International Adoption |
| ARIA | Artistic Resources In Action |
| ARIA | Allergy Rheumatology Immunology and Asthma |
| ARIA | Acetlycholine Receptor Inducing Activity |
| ARIA | Awareness of Rape and Incest through Art, Inc. (New York, NY, USA) |
| ARIA | Associazione Realizzatori Italiani di Aerostatii |
| ARIA | Association de Robotique Industrielle Athena (French: Association of Industrial Robotics Athena; Belgium) |