| IWB | I Wanna Be .... 
| Others |
| IWB | i Wealthview Banking
| Others |
| IWB | Illinois White Boys
| Others |
| IWB | Improved Wigner Brillouin
| Others |
| IWB | In the Waist Band
| Others |
| IWB | Independent Wholesale Brokerage
| Others |
| IWB | Index of Well Being
| Others |
| IWB | Individual Wheel Braking
| Others |
| IWB | Innovation WorkBench
| Others |
| IWB | Insane White Boys
| Others |
| IWB | Inside the Waist Band
| Others |
| IWB | Inside the Waistband Both
| Others |
| IWB | Inside Waist Band
| Others |
| IWB | Inside WaistBand
| Others |
| IWB | Inside WaistBand holster
| Others |
| IWB | Insidious Workplace Behavior
| Others |
| IWB | Institute for Well Being
| Others |
| IWB | Integrated Web Businesses
| Others |
| IWB | IntensivWeiterBildung
| Others |
| IWB | Interactive White Board
| Others |
| IWB | Interactive White Boards
| Others |
| IWB | Interactive Whiteboard
| Others |
| IWB | Interactive WhiteBoard Company
| Others |
| IWB | Intergovernmental Water Board
| Others |
| IWB | International Whistle Blowers
| Others |
| IWB | International Wildlife Bond
| Others |
| IWB | International World of Books
| Others |
| IWB | Internet Weird Boy
| Others |
| IWB | Internet Without Borders
| Others |
| IWB | Internet-based aircraft Weight & Balance application
| Others |
| IWB | Interwebs
| Others |
| IWB | Irritated White Boy
| Others |
| IWB | Irving William Bernstein
| Others |