ICSB
| 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) |