| Acronym | Definition |
|---|
| IBB | International Broadcasting Bureau (US government) |
| IBB | Ibrahim Badamosi Babangida (former Nigerian President) |
| IBB | Installed Base Business |
| IBB | Interactive Broadband |
| IBB | Internet Backbone |
| IBB | Inner Bump Bonding |
| IBB | Islamic Bank of Britain |
| IBB | Intentional Base on Balls (baseball) |
| IBB | Institute of Biochemistry and Biophysics |
| IBB | I'll Be Back |
| IBB | Istanbul Buyuksehir Belediyesi (Greater Municipality of Istanbul) |
| IBB | International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers (union) |
| IBB | International Book Bank |
| IBB | Italian Bath & Body |
| IBB | Internal Bad Bank (Royal Bank of Scotland; UK) |
| IBB | Illinois Brass Band (Lincolnshire, IL) |
| IBB | Interbank Burundi SA (Burundi, Central Africa) |
| IBB | International Bullion and Metal Brokers, Inc. (New York, NY) |
| IBB | Institute for British Business |
| IBB | Institute for Benchmarking and Best Practices (India, Netherlands and Spain) |
| IBB | Interim Broadband Plan (Sprint) |
| IBB | Inter Branch Banking |