| Acronym | Definition |
|---|
| IBSC | International Boys' Schools Coalition (est. 1995) |
| IBSC | International Bird Strike Committee |
| IBSC | International Barley Sequencing Consortium (plant physiology) |
| IBSC | International Black Sea Club (Greece) |
| IBSC | International Brazing & Soldering Conference |
| IBSC | Institutional Biosafety Committee Institutional Biosafety Committee Institutional Biosafety Committee |
| IBSC | Integrated Business Solution Center |
| IBSC | Integrated Building Services and Controls |
| IBSC | International Business Solutions Corporation Ltd (Montreal, Quebec, Canada) |