MB

'Mbyte', 'MB', 'Mb', 'mB' or 'mb' may refer to:

★ Mb (digraph)

★ Megabit (Mb), 1,000,000 bits or 2²⁰ = 1,048,576 bits

★ Megabyte (MB), 1,000,000 bytes or 2²⁰ = 1,048,576 bytes
'MB' may refer to:

★ Bachelor of Medicine, an academic degree (''Medicinae Baccalaureus'')

★ Manitoba, Canada

★ Myrtle Beach, South Carolina

★ Marching band

★ Medal of Bravery, Canadian decoration

★ Mercedes-Benz, a German brand of automobiles, buses, coaches and trucks

★ Milton Bradley Company, a board game and sometimes video game publisher

★ Message board

★ Motherboard

★ Muslim Brotherhood, Islamic opposition party in Egypt

★ Martinique's FIPS PUB 10-4 territory code

★ MNG Cargo Airlines' IATA airline designator

★ Meridian and Bigbee Railroad's

★ Maurizio Bianchi or MB, an Italian noise musician
'Mb' may refer to:

★ Megabase, a unit of measurement in genetics.
'mb' may refer to:

★ Millibar, an unit of pressure

★ Millibarn, a unit of area used in nuclear physics and particle physics