IBUB
| Acronym | Definition |
|---|---|
| IBUB | Institute of Biomedicine, University of Barcelona (Barcelona, Spain) |
| IBUB | Igreja Batista Unida do Brás (Brazilian church) |
| IBUB | International Business University of Beijing (Beijing, China) |
| IBUB | International Brotherhood of United Bikers |
| IBUB | Ingenieurbüro Ulrich Brüggenwirth Ingenieurbüro (German engineering company) |
| IBUB | Integrierten Bremer-Umwelt-Beratung (German: Bremer Integrated Environmental Consulting) |