{{Wiktionary|MBR}} '''MBR''' may refer to:
== Science and technology == {{TOC right}}
=== Computing === * Master boot record, the first sector of a partitioned data storage device, used for booting * Memory buffer register * Minimum bounding rectangle * Minimum bit rate
=== Other fields === * Membrane bioreactor, in waste disposal * Microwave background radiation, in cosmology * Minimum bend radius, for installation of cables and pipes * MBR Explorer, planned mission to several main belt asteroids
==Publications== * ''The Malaysia Book of Records'' * ''Mountain Bike Rider'', a British magazine
==Military== * Main battle rifle * ''Morskoi Blizhniy Razvedchik'', (Russian for "Naval Short Range Reconnaissance"), a class of flying boats, like the Beriev MBR-2
==Places== * Middlesbrough railway station, England (by GBR code) * Mohammed Bin Rashid Library, Dubai, United Arab Emirates
==Other uses== * Maximum base rent, as used in rent control in New York * Minerações Brasileiras Reunidas, an iron mining business
==See also== * Movimiento Bolivariano Revolucionario 200 (MBR-200), a leftist political movement founded by Hugo Chávez in Venezuela
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