| Acronym | Definition |
|---|
| ISMH➣International Society of Men's Health (Austria) |
| ISMH➣Inventaire Supplémentaire des Monuments Historiques |
| ISMH➣Intergemeentelijk Samenwerkingsorgaan Midden Holland (Dutch: Inter-Municipal Cooperation Agency Central Holland; Netherlands) |
| ISMH➣International Society of Medical Hydrology and Climatology |
| ISMH➣Indian System of Medicine and Homoeopathy (National Informatics Centre; India) |
| ISMH➣International Symposium on Maritime Hydraulics (conference) |