| Abbreviation | Definition |
|---|---|
| IBC | Institutional Biosafety Committee |
| IBC | Integrated Business Curriculum |
| IBE | Institute of Biological Engineering |
| IBEA | Institute for Biological Energy Alternatives |
| IBF | Institute of Business Forecasting & Planning |
| IBFM | Institute of Broadcasting Financial Management |
| IBFM | Istituto di Bioimmagini e Fisiologia Molecolare (Italy) |
| IBFR | Institute of Business and Finance Research |
| IBGE | Instituto Brasileiro de Geografia e Estatística |
| IBI | Illinois Bible Institute |
| IBID | Innisfil Bradford Information Database |
| IBIT | Institute for Business and Information Technology, Temple University |
| IBLC | Industrial Biotechnology Learning Center |
| IBLP | Institute in Basic Life Principles |
| IBM | I Blame Mathematics |
| IBM | Institute for Biotechnology and Microelectronics |
| IBM | Institute of Business Management (Int'nl.) |
| IBMI | Indian Business and Management Institute |
| IBMM | Institut Bahasa Melayu Malaysia |
| IBMM | Institute of Bioelectronic Molecular Microsystems |