IWB
| Acronym | Definition |
|---|---|
| IWB | Inside the Waistband (firearm holster) |
| IWB | Industriellen Werke Basel (German: Basel Industrial Works; Basel, Switzerland) |
| IWB | Interactive White Board (teaching aid) |
| IWB | Inside Waist Band (concealed carry holster) |
| IWB | Internationale Wirtschafts-Briefe (German: International Economic Letters; journal) |
| IWB | Internally Wired Bar |
| IWB | In-Work Benefits |
| IWB | Information Warfare Branch |
| IWB | i-Wealthview Banking |
| IWB | International Whistleblowers (New Zealand) |