| MDB | Database (MS Access) 
| Others |
| MDB | Main Distribution Board
| Others |
| MDB | Malaysia Development Berhad
| Others |
| MDB | Mallard Duck Bay
| Others |
| MDB | Managed Data Base
| Others |
| MDB | Marked Dropper Bottle
| Others |
| MDB | Material Design for Bootstrap
| Others |
| MDB | Mechanical Disc Brakes
| Others |
| MDB | Media Data Bank
| Others |
| MDB | Media Data Base
| Others |
| MDB | Medical Devices Bureau (Canada)
| Others |
| MDB | Medium Duty Bus
| Others |
| MDB | Melinda, Belize
| Others |
| MDB | Mesh Data Binairy
| Others |
| MDB | Mesh Data Binary
| Others |
| MDB | Message Driven Bean
| Others |
| MDB | Message Driven Beans
| Others |
| MDB | Message-Driven Bean
| Others |
| MDB | Methods Development Branch
| Others |
| MDB | Microsoft Access Data Base
| Others |
| MDB | Microsoft DataBase
| Others |
| MDB | Midibus
| Others |
| MDB | Million Dollar Baby
| Others |
| MDB | Million Dollar Bonus
| Others |
| MDB | Minimally Distinct Border
| Others |
| MDB | Minnesota Developmental Basketball
| Others |
| MDB | Mission Data Book
| Others |
| MDB | Mitglied Des Bundestages
| Others |
| MDB | Mobile Deformable Barrier
| Others |
| MDB | Modular Debugger
| Others |
| MDB | Modular Diesel Baukasten
| Others |
| MDB | Modularen Diesel Baukasten
| Others |
| MDB | Mongo Data Base
| Others |
| MDB | Motors Data Base
| Others |
| MDB | Movie Data Base
| Others |
| MDB | Moving Deformable Barrier
| Others |
| MDB | Multi Dimensional Data Base
| Others |
| MDB | Multi Drop Bus
| Others |
| MDB | Multi-Drop Bus
| Others |
| MDB | Multi-lateral Development Bank
| Others |
| MDB | Multicast Descriptor Block
| Others |
| MDB | Multilateral Development Bank
| Others |
| MDB | Multimedia Data Base
| Others |
| MDB | Multiple Data Base
| Others |
| MDB | Multiple Device Boot
| Others |
| MDB | Music Drinks and Billiards
| Others |
| MDB | My Dying Bride
| Others |
| MDB | The Million Dollar Band
| Others |