| Abbreviation | Definition |
|---|---|
| AQWA | Asian Quality Water Association |
| ARA | Ada Resource Association |
| ARA | Alcohol Rehabilitation Association |
| ARA | American Rally Association |
| ARA | American Recovery Association |
| ARA | American Relief Association |
| ARA | American Rental Association |
| ARA | American Rimfire Association |
| ARA | Austin Radiological Association |
| ARAF | association des retraités d'Air France |
| ARAHE | Asian Regional Association for |
| ARAHE | Asian Regional Association for Home Economics |
| ARAI | Automotive Research Association of India |
| ARAV | Asociación Regional Altaverapacense (Spanish: Altaverapacense Regional Association; Guatemala) |
| ARAV | Association of Reptilian and Amphibian Veterinarians |
| ARAV | Australian Retailers Association of Victoria |
| ARB | Association of Russian Banks |
| ARBA | Adelaide Roots and Blues Association |
| ARBA | Alabama Road Builders Association |
| ARBA | American Rabbit Breeders Association |