| Acronym | Definition |
|---|
| IWPP➣Independent Water and Power Project (India) |
| IWPP➣Independent Water and Power Production |
| IWPP➣International Wedding Planning Professionals |
| IWPP➣Integrated Watershed Planning Process (Carson River Coalition; Nevada) |
| IWPP➣Industrial Waste & Pollution Prevention (Metropolitan Council Environmental Services; Minnesota) |
| IWPP➣International Wargraves Photography Project |