| Acronym | Definition |
|---|
| ARBA | Agencia de Recaudación de la Provincia de Buenos Aires (Spanish: Buenos Aires Province Collection Agency; Buenos Aires, Argentina) |
| ARBA | Ariba, Inc. (stock abbreviation, AMEX) |
| ARBA | American Rare Breed Association (dogs) |
| ARBA | American Rabbit Breeders Association, Inc. |
| ARBA | American Reference Books Annual (guide to reference books) |
| ARBA | Army Review Boards Agency |
| ARBA | Académie Royale des Beaux-Arts de Bruxelles (French: Royal Academy of Fine Arts in Brussels; Brussels, Belgium) |
| ARBA | American Road Builders Association |
| ARBA | American Revolution Bicentennial Administration |
| ARBA | American Romney Breeders Association |
| ARBA | Alabama Road Builders Association |
| ARBA | Agrarian Reform Beneficiaries Association (Philippines) |
| ARBA | American Red Brangus Association |
| ARBA | Amateur Rose Breeders Association |
| ARBA | Additional Retiree Benefit Account |
| ARBA | Alberta Rabbit Breeders Association (Canada) |
| ARBA | Association of Religious Builders of America |
| ARBA | American Retail Bakers Association |
| ARBA | Adventist Radio Broadcasters Association |
| ARBA | Anasazi Ruin Bike Adventure |
| ARBA | Adaptive Rate-Based Algorithm |