| Acronym | Definition |
|---|
| IBW | Ideal Body Weight |
| IBW | Images of Black Women (film festival) |
| IBW | In-Building Wireless (alliance) |
| IBW | Integration Bandwidth |
| IBW | Ivory-Billed Woodpecker |
| IBW | Instantaneous Bandwidth |
| IBW | International Business Wales (Wales, UK) |
| IBW | Ion Bernstein Wave |
| IBW | International BigTime Wrestling |
| IBW | Intelligent Black Woman |
| IBW | Insurance Brokers West, Inc. (Moorpark, CA) |
| IBW | Impulse Bandwidth |
| IBW | Internal Bore Welding |
| IBW | Information Based Warfare |
| IBW | I'll Be Waiting |
| IBW | Idiot Behind Wheel |
| IBW | Internationales Begegnungszentrum für Weiterbildung |