| Abbreviation | Definition |
|---|---|
| ISH | International Society of Hematology |
| ISH | International Society of Hypertension |
| ISH | International Society of Hypnosis |
| ISHA | International Society for Hip Arthroscopy |
| ISHAA | Irish Society of Hearing Aid Audiologists |
| ISHB | International Society of Hypertension in Blacks |
| ISHB | International Society on Hypertension in Blacks |
| ISHC | International Society of Heterocyclic Chemistry |
| ISHC | International Society of Hospitality Consultants |
| ISHE | International Society for Human Ethology |
| ISHES | Institute for Studies in Happiness Economy and Society |
| ISHG | Indian Society of Human Genetics |
| ISHG | Irish Society of Human Genetics |
| ISHLT | International Society for Heart and Lung Transplantation |
| ISHM | Indian Society for History of Mathematics |
| ISHM | International Society for the History of Medicine |
| ISHM | International Society for the History of the Map |
| ISHP | Indian Society of Health Professionals |
| ISHP | Indian Society of Healthcare Professionals |
| ISHR | International Society for Human Rights |