| Acronym | Definition |
|---|
| IBE | Identity-Based Encryption |
| IBE | Ion Beam Etching |
| IBE | Integrated Business and Engineering (Lehigh University) |
| IBE | International Bureau of Education |
| IBE | Internet Booking Engine |
| IBE | International Bureau for Epilepsy (est. 1961) |
| IBE | International Beauty Expo (trade show) |
| IBE | Intercultural Bilingual Education |
| IBE | Institute for the Built Environment (Colorado State University) |
| IBE | Identity Based Encryption |
| IBE | International Business Enterprise |
| IBE | Institut für Medizinische Informationsverarbeitung, Biometrie Und Epidemiologie (LMU, Muenchen, Germany) |
| IBE | Institute of Biological Engineering |
| IBE | International Business Enterprises |
| IBE | Institut Belge de l'Emballage (French: Belgian Packaging Institute) |
| IBE | Iberia, Lineas Aereas de Espana, Spain (ICAO code) |
| IBE | ID (Identity) Based Encryption (cryptography) |
| IBE | Institute for Behavioral Economics (Arizona) |
| IBE | Institute of Biomedical Engineering (UK) |
| IBE | Isuzu Body Engineering (Japan) |
| IBE | Inboard Booster Engine |
| IBE | Institution-Based Exercise |
| IBE | Infinity Bio-Energy Limited |
| IBE | Indirect Battlefield Engagement System |
| IBE | Intrahepatic Biliary Epithelium |
| IBE | Impaired Biliary Elimination |
| IBE | International Business Entity (Cyprus) |