IECB
| Acronym | Definition |
|---|---|
| IECB | Institute of Ecology and Conservation Biology (now Vienna Ecology Centre; Austria) |
| IECB | European Institute of Chemistry and Biology (University of Bordeaux, Talence Cedex, France) |
| IECB | Indigenous Education Consultative Body (Australia) |
| IECB | Information Engineers and Consultants Bangladesh (Dhaka, Bangladesh) |