| IAHC | Idaho Association for Home Care 
| Others |
| IAHC | Indiana Affordable Housing Council
| Others |
| IAHC | Inner Awakening Healing Center
| Others |
| IAHC | Institute for Advancement of Health Care
| Others |
| IAHC | Institute for Affordable Health Care
| Others |
| IAHC | Intake Air Heater Control
| Others |
| IAHC | Integrative Animal Health Center
| Others |
| IAHC | International Ad Hoc Committee
| Others |
| IAHC | International Animal Husbandry China
| Others |
| IAHC | International Association for Health Coaches
| Others |
| IAHC | International Association for Human Caring
| Others |
| IAHC | International Association of Health Coaches
| Others |
| IAHC | International Association of Human Caring
| Others |
| IAHC | Internet Ad Hoc Committee
| Others |
| IAHC | Inventory Of Arizona Historic Cemeteries
| Others |
| IAHC | Iowa Alliance in Home Care
| Others |
| IAHC | Irish American Heritage Center
| Others |