| Acronym | Definition |
|---|
| IHU➣Instituto Humanitas Unisinos (Portuguese: Humanities Institute; Brazil) |
| IHU➣Institut Hospitalo-Universitaire (French: University Hospital Institute) |
| IHU➣Internal Hostile Unstructured |
| IHU➣International Hellenic University (Thessaloniki, Greece) |
| IHU➣I Hear You |
| IHU➣I Hate You |
| IHU➣I Hear U |
| IHU➣Innen-Hochdruck-Umformung (hydroforming) |
| IHU➣Integrated Helmet Unit |
| IHU➣I Heart You |
| IHU➣International Harvardian University |
| IHU➣Individual Housing Unit |