OIW
| Acronym | Definition |
|---|---|
| OIW | Oh I Will (website) |
| OIW | Open Systems Implementors Workshop |
| OIW | Open Information Warehouse |
| OIW | Oil in Water (monitoring device; Advanced Sensors Ltd.) |
| OIW | Obama Isn't Working (politics) |
| OIW | Open Information Warehouse (SAP) |
| OIW | OSI Implementers Workshop |
| OIW | Open Systems Environment Implementers Workshop |
| OIW | Operator Interface Workstation |
| OIW | Order of Income Withholding (child support enforcement) |