MDB
# MDB

MDB may refer to:

## Computing

* .mdb, a file-extension used in certain versions of Microsoft Access databases
* MDB, a kernel debugger for the Linux kernel.
* MDB, the NASDAQ ticker symbol for MongoDB, a database management system.
* Message Driven Bean, a special type of Enterprise JavaBean
* Modular Debugger, a debugger available as part of the Solaris Operating System
* Multidrop bus, a category of computer bus

## Politics

* Mitglied des Deutschen Bundestages (MdB), a member of the German Parliament
* Brazilian Democratic Movement, a centrist political party in Brazil

## Other uses

* Multilateral Development Bank
* Maidstone Barracks railway station, UK National Rail station code
* 3,4-methylenedioxybutanphenamine, an entactogenic drug
* Medulloblastoma common type of primary brain cancer in children
* My Dying Bride, a British doom metal band
