| Acronym | Definition |
|---|
| IBEI➣International Business Ethics Institute |
| IBEI➣Istituto Biblico Evangelico Italiano (Italian: Italian Evangelical Bible Institute; Rome, Italy) |
| IBEI➣Institute of Biometry, Epidemiology and Information Processing (Hannover, Germany) |
| IBEI➣Income before Extraordinary Items (finance) |
| IBEI➣In-Beam Electron Impact (spectrometry) |