| Abbreviation | Definition |
|---|---|
| ABCP | Asset-Backed Commercial Paper |
| ABDB | Antigua and Barbuda Development Bank |
| ABDB | Antigua Barbuda Development Bank |
| ABF | Asian Banking Finance |
| ABI | American Bankruptcy Institute |
| ABIA | American Bankers Insurance Association |
| ABIF | ASEAN Banking Integration Framework |
| ABIN | Acquiring Bank Identification Number |
| ABIO | Australian Banking Industry Ombudsman |
| ABK | Ahli Bank of Kuwait |
| ABK | American Bank of Kosovo |
| ABL | Allied Bank Limited |
| ABM | Assistant Branch Manager |
| ABM | Automatic Bank Machine |
| ABN | Algemene Bank Nederland |
| ABN-AMRO | Algemene Bank Nederland - Amsterdamse Bank-ROtterdam Bank |
| ABO | Accumulated Benefit Obligation |
| ABO | Assistant Banking Officer |
| ABOC | Amalgamated Bank of Chicago |
| ABOM | Association of Bank Officers Malaysia |