| Acronym | Definition |
|---|
| IHR➣Institute for Historical Review (Orange Country, California) |
| IHR➣International Health Regulations |
| IHR➣Internet Health Resources |
| IHR➣Institute for Health and Recovery (Cambridge, MA) |
| IHR➣International Human Rights (est. 1996) |
| IHR➣Inside Home Recording (podcast) |
| IHR➣Interactive Hypertext Response |
| IHR➣Integrated Heater Control |
| IHR➣Institute for Humanities Research (Tempe, AZ) |
| IHR➣Ideal Home Range (Essen, Germany) |
| IHR➣Institute for Health Research (Lancaster University, UK) |
| IHR➣International Human Resources |
| IHR➣Institute of Hearing Research (UK) |
| IHR➣Irish Horse Register (UK) |
| IHR➣Interstate Hotels and Resorts (Arlington, VA) |
| IHR➣Institute for Historical Research |
| IHR➣International History Review |
| IHR➣Islam and Human Rights |
| IHR➣I Heart Rummage (Seattle, WA) |
| IHR➣Institut d'Histoire de la Réformation (French) |
| IHR➣Inguinal Hernia Repair (surgery) |
| IHR➣Indiana Horse Rescue (West Lafayette, IN) |
| IHR➣Institute of Human Resources (various locations) |
| IHR➣Ionic Hair Retexturising |
| IHR➣Interhemisphere Ratio |
| IHR➣In-Extremis Hostage Rescue |
| IHR➣Incremental Heat Rate (utility industry) |
| IHR➣Integrated Health Records (UK) |
| IHR➣Italian Hardware Research (Galliate, Italy) |
| IHR➣Internet Health Report (Keynote Systems, Inc.) |
| IHR➣Integrated Hierarchical Representation |
| IHR➣Iroquois Hill Runners (Louisville, KY) |
| IHR➣Internally Heated Resonators |
| IHR➣Ilizarov Hip Reconstruction |