| Abbreviation | Definition |
|---|---|
| ABR | Adaptive Bite Rate |
| ABR | Address Buffer Register |
| ABR | Advanced BMW Repair |
| ABR | Advanced Boilie Recipe |
| ABR | Alpaca Breeders of the Rockies |
| ABR | Always Be Ready |
| ABR | Amateur Baseball Report |
| ABR | American Barcode and RFID |
| ABR | American Bicycle Racing |
| ABR | American Built and Reliable |
| ABR | Annapolis Baltimore Realty |
| ABR | Appalachian Bear Rescue |
| ABR | Asheville Board of REALTORS |
| ABR | Atlanta Board of REALTORS |
| ABR | Average Bed Rate |
| ABR | Average Broker Rating |
| ABRA | A B Reporting and Allocation |
| ABRA | Alcoholic Beverage Regulation Administration |
| ABRA | Auto Body Repair of America |
| ABRAM | ??a???r??m |