| Abbreviation | Definition |
|---|---|
| ABM | Activity Based Management |
| ABM | Always Be Marketing |
| ABM | Automated Banking Machine |
| ABM | Auxiliary Board Member |
| ABN | A Annual Business Number |
| ABN | Advance Beneficiary Notice |
| ABN | Alternative Business Name |
| ABNDT | Abundant |
| ABP | Annual Business Plan |
| ABQ | A Better Quality |
| ABR | Accelerated Benefits Rider |
| ABR | Accredited Buyer's Representative |
| ABR | Another Brush Resource |
| ABS | Another Blunt Session |
| ABS | Asset Based Style |
| ABSM | Area Based Socioeconomic Measures |
| ABU | Application Business Unit |
| ABV | A Better Value |
| AC | Activity Center |
| AC | actual count |