| IAHPC | Illinois Association of Historic Preservation Commissions 
| Others |
| IAHPC | International Association for Hospice and Palliative Care
| Others |
| IAHPC | International Association for Hospice Palliative Care
| Others |
| IAHPC | International Association of Hospice and Palliative Care
| Others |
| IAHPC | Irish Association for High Performance Computing
| Others |