IMB is a three-letter abbreviation that may refer to:

Organizations

  • IMB Bank, an Australian banking institution
  • IMB Financial Services, a South African banking services institution
  • Indymac Bancorp, former NYSE symbol
  • Institute of Molecular Biology in Mainz, Germany
  • The International Maritime Bureau of the International Chamber of Commerce
  • The International Mission Board of the Southern Baptist Convention

Other

  • Independent Monitoring Board, of the conditions of prisoners in English jails
  • Integrated Media Block in digital cinema
  • Integrated Mobile Broadcast of TV over mobile telephony
  • Intelligent Mail Barcode, a barcode used on mail in the United States
  • Intermenstrual bleeding, uterine bleeding between the expected menstrual periods
  • Internal Market Bill, United Kingdom, proposals for trading mechanisms within the UK
  • The Irvine-Michigan-Brookhaven detector, of neutrinos, Ohio, US