MB

MB, MB or M. B. may refer to:

• Bachelor of Medicine, an academic degree (Medicinae Baccalaureus)
• Medal of Bravery (Canada), a decoration
• mb (digraph), a combination of letters used in spelling
• Myoglobin

Businesses and organizations

• Mercedes-Benz, a German brand of automobiles, buses, coaches and trucks
• Milton Bradley Company, a board-game and sometime video-game publisher
• Muslim Brotherhood, a pan-Islamic movement
• MB is the stock symbol of Mediobanca

Computers

• Megabyte (MB), a measure of amount of information used, for example, to quantify computer memory or storage capacity
• Megabit (Mb, or properly: Mbit), a measure of amount of information
• MikroBitti (formerly MB), a Finnish computer magazine

Measurements

• Millibar, a unit of pressure frequently used in meteorology equal to one thousandth of a bar
• Millions of barrels (Mb, Mbbl or MMbbl), one million barrels of oil
• Megabase, a unit of measurement in genetics
• Body wave magnitude (m_b), a type of seismic scale
• Millibarn, a unit of area used in nuclear physics and particle physics
• mb, a rarely used unit of Imperial weight equal to 1000 lbs or roughly 453 kilograms
• Millibel, a hundredth of a decibel

Other uses

• Maurizio Bianchi or MB, an Italian noise musician
• Max Brand (1892-1944), a pseudonym of Frederick Schiller Faust an American western author
• Manitoba, Canada
• Mälarhöjden/Bredäng Hockey, Swedish ice hockey club