| Acronym | Definition |
|---|
| IHIA➣International Homicide Investigators Association (est. 1988) |
| IHIA➣International Health Impact Assessment (UK) |
| IHIA➣International Hockey Industry Association |
| IHIA➣Indigenous Housing and Infrastructure Agreement (Australia) |
| IHIA➣Include this Headquarters as Information Addressee |
| IHIA➣I Hate It All |
| IHIA➣Intrahepatic Canine Islet Allografts (transplantation) |