IHHS
| Acronym | Definition |
|---|---|
| IHHS | International Hyperhidrosis Society |
| IHHS | Indian Hills High School (Oakland, NJ) |
| IHHS | International Home and Housewares Show |
| IHHS | Interprofessional Health and Human Service (University of British Columbia; Canada) |
| IHHS | Institute for Holistic Healing Studies (San Francisco State University) |
| IHHS | International Heart Health Society (Institute for Health Research & Education; Canada) |