| Abbreviation | Definition |
|---|---|
| IAHA | Inter American Health Alliance |
| IAHC | Institute for Advancement of Health Care |
| IAHC | Institute for Affordable Health Care |
| IAHC | Integrative Animal Health Center |
| IAHC | International Association for Health Coaches |
| IAHC | International Association of Health Coaches |
| IAHD | International Association of Health Dowsers |
| IAHE | International Alliance of Healthcare Educators |
| IAHIMA | Iowa Health Information Management Association |
| IAHP | Indian Academy of Health Psychology |
| IAHP | International Animal Health Products |
| IAHP | International Association of Healthcare Practitioners |
| IAHS | Institute of Applied Health Sciences |
| IAHS | Irish Association of Health Stores |
| IAHSS | International Association of Healthcare Security Safety |
| IAMHP | Illinois Association of Medicaid Health Plans |
| IANPHI | International Association of National Public Health Institutes |
| IAPHS | Interdisciplinary Association for Population Health Science |
| IARC | International Agency for Research on Cancer (World Health Organization) |
| IBC | Independent Blue Cross |