| Acronym | Definition |
|---|
| IWH➣Institute for Work & Health |
| IWH➣Internet Warehouse |
| IWH➣Information Warehouse |
| IWH➣Irish Wolfhound (dog breed) |
| IWH➣Institute for Women's Health |
| IWH➣I Was Here |
| IWH➣Instantaneous Water Heater |
| IWH➣Internationalen Wissenschaftsforum Heidelberg (German: International Science Forum Heidelberg; Germany) |
| IWH➣International Working Holidays (New Zealand; employment agency) |