| Acronym | Definition |
|---|
| BIW | Body in White |
| BIW | Business Intelligence Warehouse |
| BIW | Business Insights Workbench |
| BIW | Body in White (automotive design technique) |
| BIW | Business Information Warehouse |
| BIW | Brothers in War (gaming) |
| BIW | Biweekly (medication dose) |
| BIW | Brandingiron Worldwide (California) |
| BIW | Best in the World |
| BIW | Building Information Warehouse |
| BIW | Ben Ik Weer (Dutch: I'm Back) |
| BIW | Built in Wardrobe (rental properties) |
| BIW | Bath Iron Works Maine |
| BIW | Brusselse Intercommunale Watermaatschappij |
| BIW | Business Information Wire |
| BIW | Brooklyn Is Watching (Brooklyn, NY art exhibition) |
| BIW | Brûleurs Industriels Walzer (French: Walzer Industrial Burners) |
| BIW | Battle Injury or Wound |