| Acronym | Definition |
|---|
| IMH | Impac Mortgage Holdings, Inc. (Irvine, CA) |
| IMH | Intramural Hematoma |
| IMH | Institute of Mental Health |
| IMH | Intercontinental Mark Hopkins (San Francisco, CA) |
| IMH | Iroquois Memorial Hospital (Watseka, IL) |
| IMH | Infant Mental Health |
| IMH | International Museum of the Horse |
| IMH | Instituto de Máquina-Herramienta (Spanish: Machine-Tool Institute) |
| IMH | Isetan Mitsukoshi Holdings Ltd. (Japan) |
| IMH | In My Head |
| IMH | Immunohistochemistry (immunology) |
| IMH | In My Heart (closing greeting) |
| IMH | Institute of Maritime History (North Kensington, MD) |
| IMH | Institute for the Medical Humanities (University of Texas Medical Branch) |
| IMH | Institute of Meteorology and Hydrology (Vietnam) |
| IMH | Internationalen Medienhilfe (German) |
| IMH | Information for Mental Health (UK) |
| IMH | Inmotion Hosting (website hosting company) |
| IMH | Iglesia Menonita Hispana (Hispanic Mennonite Church) |
| IMH | Institute of Materials Handling |
| IMH | Interactive Message Handler |
