| Acronym | Definition |
|---|
| ICSB➣International Council for Small Business (now USASBE) |
| ICSB➣International Conference on Systems Biology |
| ICSB➣International Committee on Systematic Bacteriology |
| ICSB➣International Christian School of Budapest |
| ICSB➣Innoprise Corporation Sdn Bhd (Malaysia) |
| ICSB➣International Container Survey Buro (Singapore; est. 1980) |
| ICSB➣Integrated Coupled Spirals Balun |
| ICSB➣Interim Command Switchboard |
| ICSB➣Interactive Claims System Backup (insurance) |