| Acronym | Definition |
|---|
| IDH | Indice de Développement Humain (French: Human Development Index) |
| IDH | Intermediate Disturbance Hypothesis (ecology) |
| IDH | Id Help |
| IDH | Isocitric Dehydrogenase |
| IDH | intradialytic hypotension |
| IDH | Istinye Devlet Hastanesi (Turkish: Istinye State Hospital; Istinye, Istanbul, Turkey) |
| IDH | Independent Design House (various organizations) |
| IDH | Instituto do Homem (Brasil) |
| IDH | Integrated Door Hardware |
| IDH | Indirect Hire |
| IDH | Interface Design Handbook |
| IDH | International Design House (Hong Kong) |
| IDH | International Data Harmonization (software) |
| IDH | Immediately Dangerous to Health (environmental and industrial regulations) |