| Acronym | Definition |
|---|
| IHSM➣Institute of Health Services Management |
| IHSM➣Insoluble Hepatocyte-Surface Membrane (immunology) |
| IHSM➣Institute of Health Service Managers |
| IHSM➣Integrated Homeland Security Management (degree) |
| IHSM➣Irish Heritage Society of Milford (Ireland) |
| IHSM➣Institute of Hotel Security Management |