| Acronym | Sense | Language | Topics |
|---|---|---|---|
| IBB | International Broadcasting Bureau | In English | → Telecommunications |
| IBB | Institut für Bildung und Beratung | In German | → Education |
| IBB | Investitionsbank Berlin | In German | → Banks |
| IBB | Institut für Berufliche Bildung | In German | → Education → Labour, labour economics |
| IBB | Internationales Bildungs- und Begegnungswerk | In German | |
| IBB | Internationales Bankhaus Bodensee | In German | → Banks |
| IBB | Institut für Betonbau | In German | → Construction |
| İBB | İstanbul Büyükşehir Belediyesi | In Turkish | |
| IBB | Institut für Bildungsrecht und Bildungspolitik | In German | → Law, jurisprudence → Education |