| Abbreviation | Definition |
|---|---|
| M | Maturity |
| M/G | Mother and Guardian |
| MA | Mortrage Application |
| MAACA | Mabank Advanced Academic and Creative Arts |
| MAB | Mobile Auto Bank |
| MABB | Michigan Association of Blood Banks |
| MABS | Microenterprise Access to Banking Services |
| MAD | Minimum Amount Due |
| MADB | Myanmar Agricultural Development Bank |
| MADB | Myanmar Agriculture Development Bank |
| MALB | Michigan Association of Land Banks |
| MB | Meet the Bill |
| MB | Merchant Bank |
| MB | Military Bank |
| MB | Money Bag |
| MBA | Mortgage Bankers Association |
| MBAC | Mortgage Bankers Acceptance Company |
| MBAC | Mortgage Bankers Association of the Carolinas |
| MBAG | Mortgage Bankers Association of Georgia |
| MBB | Malayan Banking Berhad |