| Acronym | Definition |
|---|
| IHPA➣Illinois Historic Preservation Agency |
| IHPA➣International Hurricane Protection Association |
| IHPA➣Iowa Historic Preservation Alliance |
| IHPA➣International Hardwood Products Association (Alexandria, VA) |
| IHPA➣International Horse Photographers Association |
| IHPA➣Iowa Honey Producers Association |
| IHPA➣Iowa Heat Pump Association |
| IHPA➣Illinois Horseshoe Pitchers Association |
| IHPA➣Institute for Health Policy Analysis, Inc. (Washington, DC) |