| Abbreviation | Definition |
|---|---|
| ISESSAH | International Society for Economics and Social Sciences of Animal Health |
| ISH | International Society on Hypertension |
| ISHC | Independent School Health Check |
| ISHC | Indian Stream Health Center |
| ISHE | Indiana Society for Healthcare Engineering |
| ISHE | Iowa Society for Healthcare Engineering |
| ISHM | Institute for Safety and Health Management |
| ISHM | Integrated Systems Health Management |
| ISHP | Independent Sector Healthcare Providers |
| ISHP | Indian Society of Healthcare Professionals |
| ISHP | Individual School Healthcare Plan |
| ISHP | Individualized School Healthcare Plan |
| ISHP | Individualized Student Health Plans |
| ISHP | integrated School Health Programme |
| ISKO | International Society for Knowledge Organization |
| ISMH | International Symposium on Maritime Health |
| ISPG | Individual Support Planning Guide |
| ISSH | Institute on Systems Science and Health |
| ITECH | International Training and Education Center for Health |
| ITFS | Infant Toddler Family Specialist |