- DIW stands for Division of Indian Work (Minneapolis, MN)
- DIW stands for Doing It Wrong
- DIW stands for Deutsches Institut für Wirtschaftsforschung, Berlin (German institute for economic research)
- DIW stands for Deionized Water
- DIW stands for Did I Win
- DIW stands for Door-in-White (product feature)
- DIW stands for Death Is Welcome
- DIW stands for Dead In the Water
- DIW stands for Dynamic Information Warehouse (software)
- DIW stands for Defensive Information Warfare
- DIW stands for Direct Inside Wire (phone)
- DIW stands for Designing Information for the Web
- DIW stands for Detection, Identification and Warning
- DIW stands for Diversity Inclusion and Work/life Balance
- DIW stands for Delivery Inter Working
DIW