ISB may refer to:

Education

  • Indian School of Business, Hyderabad, Telangana, India
  • International School of Business (Vietnam) Ho Chi Minh City, Vietnam
  • International School Bangkok, Nonthaburi, Thailand, formerly in Bangkok
  • International School Basel, Basel, Switzerland
  • International School of Beaverton, Aloha, Oregon, United States
  • International School of Beijing, Beijing, China
  • International School of Belgrade, Belgrade, Serbia
  • International School Benghazi, Benghazi, Libya
  • International School of Bergen, Bergen, Norway
  • International School of Boston, Cambridge, Massachusetts, United States
  • International School of Broward, Hollywood, Florida, United States
  • International School Brunei, Bandar Seri Begawan, Brunei
  • International School of Brussels, Brussels, Belgium
  • International School of Bucharest, Bucharest, Romania
  • Instituto Simón Bolívar (Various countries)

Music

  • I Shalt Become, an American black metal duo
  • The Incredible String Band, a British folk rock musical group of the late 1960s
  • International Society of Bassists, an international society dedicated to the double bass
  • International Staff Band, a brass band of the Salvation Army
  • International Submarine Band, American country-rock group

Religion

  • Islamic Society of Baltimore, Catonsville, Maryland, United States
  • Islamic Society of Boston, Boston, Massachusetts, United States
  • Islamic Society of Britain, an Islamic organization

Science

  • International Society for Biocuration
  • International Society of Biomechanics (Various countries)
  • Institute for Systems Biology, non-profit research institute in Seattle, WA

Other uses

  • Impact Statement for Business, in UK law
  • Imperial Security Bureau, the secret police force of the Empire in the Star Wars universe
  • ISB Engine/Interact System B, a variant of the Cummins B Series engine used in Dodge trucks
  • Independent sideband, radio modulation mode used in some AM radio transmissions
  • International Socialist Bureau, the permanent organization of the Second International
  • Internal Security Bureau, the "TSC police"
  • National Park Service Investigative Services Branch
  • Islamabad International Airport, the current airport of Islamabad and Rawalpindi, Pakistan (IATA airport code: ISB)
  • Benazir Bhutto International Airport, formerly Islamabad International Airport, the former airport of Islamabad and Rawalpindi, Pakistan (formerly IATA airport code: ISB)