MB

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

Businesses and organizations

• Mälarhöjden/Bredäng Hockey, a Swedish ice hockey club
• Mediobanca, and Italian company with Borsa Italiana stock symbol MB
• 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

People

• Maurizio Bianchi or MB (born 1955), Italian composer of industrial music
• Lee Myung-bak, former president of South Korea

Science and technology

• Megabyte (MB), a measure of information
• Megabit (Mb or Mbit), a measure of information
• MikroBitti (formerly MB), a Finnish computer magazine
• Mega base pairs, a unit of measurement in genetics
• Millibar, a unit of pressure
• Body wave magnitude (m_b), a seismic scale
• Megabarn Mb and millibarn mb, units of cross-sectional area
• Millibel, a hundredth of a decibel (rarely used)
• Myoglobin, a compound in blood
• 2-Methylbut-3-yn-2-ol, a reagent in organic synthesis
• Willys MB, the WWII-era Jeep

Other uses

• mb (digraph), a combination of letters used in spelling
• Manitoba, Canada
• Medal of Bravery (Canada), a military decoration
• Bachelor of Medicine, an academic degree (Medicinae Baccalaureus)
• MusicBrainz, an online open data music database