MBR

MBR may refer to:

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

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