MDB

MDB may refer to:

In computing:

• .mdb, a file-extension used in certain versions of Microsoft Access databases
• MDB or MDB2, PHP database abstraction layers
• Message Driven Bean, a special type of Enterprise JavaBean
• Modular Debugger, a debugger available as part of the Solaris Operating System
• Multidrop bus, a computer bus

In entertainment:

• Million Dollar Baby, a 2004 movie starring Clint Eastwood
• Million Dollar Band (marching band), the marching band at the University of Alabama
• My Dying Bride, a British doom/death metal band

In politics:

• Mitglied des Deutschen Bundestages (MdB), a member of the German Parliament or Bundestag
• Brazilian Democratic Movement, a centrist political party in Brazil (1965–1979)

Other uses:

• Multilateral Development Bank
• Murray-Darling Basin, a major geographic feature of south-eastern Australia
• Mains Distribution board, an electrical device to divide an electrical power feed into separate circuits
• Station code for Maidstone Barracks railway station at National Rail, United Kingdom