ISB
ISB is an abbreviation for:
- Benazir Bhutto International Airport , also Islamabad Airport, Pakistan (IATA code)
- British Virgin Islands , as an Olympic country code
- Ideal club for sports communication and education
- Information security officer, see Information Security Management System
- Federal IT steering body , an office in the Federal Department of Finance
- Infrastructure operator , the Swiss word for railway infrastructure company
- Engineering school for construction - in various German cities
- Institute for Urban Development Berlin, see German Academy for Urban Development and Regional Planning #Building
- Institute for Social Banking based in Berlin
- International School Bangkok , an international private school in Thailand
- International student union, see International Union of Students
- International Socialist Bureau , establishment of the socialist Second International
- Investment and Structure Bank Rhineland-Palatinate , the development bank of the federal state of Rhineland-Palatinate, based in Mainz
- State Institute for School Quality and Educational Research , an organization for the qualitative improvement of the Bavarian school system in Munich
- The Incredible String Band , a Scottish folk music band from Glasgow
