| Acronym | Definition |
|---|
| CIH | Chartered Institute of Housing (UK) |
| CIH | Certified Industrial Hygienist (ABIH) |
| CIH | Centre for International Health (University of Bergen; Norway) |
| CIH | Collision Intractable Hash |
| CIH | Cam in Head |
| CIH | Constant Image Height |
| CIH | Crédit Immobilier et Hôtelier (French; Moroccan bank) |
| CIH | Chen Ing-Hau (creator of the Chernobyl Virus) |
| CIH | Camshaft in Head (engine) |
| CIH | Comité Interministériel du Handicap (French: Interministerial Committee on Disability) |
| CIH | Centre d'Ingénierie Hydraulique (French: Hydraulic Engineering Center) |
| CIH | Classification Internationale des Handicaps |
| CIH | Cash in Hand |
| CIH | Coney Island Hospital (Brooklyn, New York) |
| CIH | Compagnie Immobilière d'Hardelot (French real estate company) |
| CIH | Centre d'Immunologie Humaine (French: Human Immunology Center) |
| CIH | Certified Incident Handler |
| CIH | Caffeine-Induced Hysteria |