MB, Mb, mB or mb may refer to:

• Megabit (Mb, or properly: Mbit), a unit of information used, for example, to quantify computer memory or storage capacity
• Megabyte (MB), a unit of information used, for example, to quantify computer memory or storage capacity

MB may refer to:

• MacBook
• Mandalay Bay, a hotel and casino in Las Vegas
• Manitoba, Canada
• Marching band
• Martinique's FIPS PUB 10-4 territory code
• Maurizio Bianchi or MB, an Italian noise musician
• Medal of Bravery, Canadian decoration
• Bachelor of Medicine, an academic degree (Medicinae Baccalaureus)
• Mercedes-Benz, a German brand of automobiles, buses, coaches and trucks
• Meridian and Bigbee Railroad's AAR reporting mark
• Message board
• Mighty B, childrens' TV show
• Mighty Beanz, toys for children
• Milton Bradley Company, a board game and sometimes video game publisher
• Montgomery Burns
• Motherboard
• Mount&Blade, a game developed by TaleWorlds
• Movie Battles, a computer game mod
• Muppet Babies
• Muslim Brotherhood, Islamic opposition party in Egypt
• Myrtle Beach, South Carolina
• Mythbusters

Mb may refer to:

• Megabase, a unit of measurement in genetics.
• Mb (digraph)

mb may refer to:

• Body wave magnitude (m_b), a type of seismic scale.
• Millibar, a unit of pressure
• Millibarn, a unit of area used in nuclear physics and particle physics
• Millibit, a (rare) unit of information equal to one thousandth of a bit
• mb, a rarely used unit of Imperial weight equal to 1000lbs or roughly 453 Kilograms

References