| Acronym | Definition |
|---|
| ARA | American Rental Association |
| ARA | Australian Retailers Association |
| ARA | Automotive Recyclers Association |
| ARA | Arachidonic Acid |
| ARA | Apartment Realty Advisors |
| ARA | Alliance for Retired Americans |
| ARA | Anti-Racist Action |
| ARA | Applied Research Associates, Inc. |
| ARA | AppleTalk Remote Access |
| ARA | American Rheumatism Association |
| ARA | Amateur Rowing Association (UK) |
| ARA | Awards and Recognition Association |
| ARA | Apple Remote Access |
| ARA | Airborne Research Australia |
| ARA | Altstoff Recycling Austria (est. 1993; Vienna, Austria) |
| ARA | Amsterdam, Rotterdam, Antwerp (shipping industry) |
| ARA | Algemeen Rijksarchief |
| ARA | Agricultural Retailers Association |
| ARA | American Running Association |
| ARA | Associate of the Royal Academy |
| ARA | Aerial Rocket Artillery |
| ARA | American Relief Administration (foreign aid group) |
| ARA | American Railway Association |
| ARA | Aryan Republican Army (US militia organization) |
| ARA | Annual Review of Anthropology (journal) |
| ARA | Accredited Rural Appraiser (American Society of Farm Managers & Rural Appraisers, ASFMRA) |
| ARA | Australian Regular Army |
| ARA | Asset Recovery Agency (UK legislation) |
| ARA | Armada de la República Argentina (Argentine navy) |
| ARA | Assistant Regional Administrator |
| ARA | Amis de la Reliure d'Art (French: Friends of the Art of Bookbinding; est. 1982) |
| ARA | Academy of Rehabilitative Audiology |
| ARA | Autour des Rythmes Actuels (French: Around Rhythms Current; music association) |
| ARA | Area Redevelopment Administration |
| ARA | Audience Research Analysis (Company) |
| ARA | Antenna Research Associates |
| ARA | Alabama Retail Association |
| ARA | Associate Regional Administrator |
| ARA | Ada Resource Association (trade group) |
| ARA | American Restroom Association (now North American Restroom Association) |
| ARA | American Revenue Association |
| ARA | Academic Research Alliance |
| ARA | American Retirees Association |
| ARA | Argentina Austral (national currency since 1985; replaced by new Peso, 1992) |
| ARA | Acquisition Resources and Analysis (Directorate in the Office of the Secretary of Defense) |
| ARA | Association of Relocation Agents |
| ARA | Airborne Radar Approach |
| ARA | Associate Reinsurance Administration (LOMA designation) |
| ARA | Auxiliary Reactor Area (Idaho National Laboratory) |
| ARA | Adenosine Receptor Agonist |
| ARA | Agricultural Research Administration |
| ARA | Association of Retired Americans |
| ARA | Annual Reports and Accounts |
| ARA | Accumulate-Repeat-Accumulate (coding scheme) |
| ARA | Address Resolution Advertisement (ATM networking) |
| ARA | Attitude Reference Assembly |
| ARA | Avert Risk Assessment (anti-virus ERT) |
| ARA | Army Radiation Authorization |
| ARA | Assigned Responsible Agency |
| ARA | Audubon Recreation Association (Pennsylvania) |
| ARA | American Romagnola Association |
| ARA | Androgen Receptor-Associated Coregulator |
| ARA | Autoresonant Accelerator |
| ARA | Automatic Reimbursement Authority |
| ARA | American Remount Association |
| ARA | Airborne Relay Aircraft |
| ARA | Airborne Radio Auxiliary (Assembly) |
| ARA | Airborne Reconnaissance Architecture |
| ARA | Association of Roman Archaeology |
| ARA | Antibes Rallye Association (French racing association) |
| ARA | Accelerated Readiness Analysis |
| ARA | Aggregate Risk Analysis |
| ARA | Advanced Rate Annuity |
| ARA | Automatic Reimbursement Account |
| ARA | Active Radar Array |
| ARA | Asynchronous Ripple Adder |
| ARA | Army Registration Authority |
| ARA | Another Right Answer |
| ARA | Action Réhabilitation Assistance (French: Action Rehabilitation Assistance) |
| ARA | Annual Review of Agriculture |
| ARA | Auto Rétro Activité (French: Auto Retro Activity; automobile club; Richwiller, France) |
| ARA | Addiction Rehabilitation Association (formerly Alcohol Rehabilitation Association; Idaho Falls, ID) |
| ARA | Alcohol Rehabilitation Association (now Addiction Rehabilitation Association; Idaho Falls, ID) |