MMB

MMB may refer to:

Music

 * Michigan Marching Band, of the University of Michigan
 * The Mighty Mighty Bosstones, a band from Boston

Computing, science, and technology

 * MMB (cipher), a block cipher in cryptography
 * 3-Mercapto-3-methylbutan-1-ol, a chemical found in some wines
 * Minimal metabolic behaviors, for modeling metabolic networks
 * Middle mouse button, a button on the computer mouse

Other uses

 * Maharashtra Maritime Board
 * Maritime Museum of Barcelona
 * Memanbetsu Airport, an airport at Hokkaidō, Japan (IATA airport code: MMB)
 * Milk Marketing Board, a former British government quango