IZB
| Acronym | Definition |
|---|---|
| IZB | Informatik Zentrum Bayern (German: Bavaria Computer Science Center; Germany) |
| IZB | Initiative Zukunft Bethanien (German: Initiative for Future Bethany; Berlin, Germany) |
| IZB | Internationale Zusammenarbeit in Bildungsfragen (German: Institute for International Cooperation on Education Issues) |
| IZB | Institute of Zoology and Botany (Estonia) |
| IZB | Interzonal Boundary |