| Acronym | Definition |
|---|
| ISBO➣Islamitische Scholen Besturen Organisatie (Dutch: Islamic Schools Control Organization) |
| ISBO➣Islamic States Broadcasting Organization |
| ISBO➣International Security and Bodyguard Organisation (various locations) |
| ISBO➣Independent/Small Business Owners (website) |
| ISBO➣Immoblien-Service Bad Oeynhausen (German real estate company) |