| Acronym | Definition |
|---|
| ICH | I/O (Input/Output) Controller Hub |
| ICH | Institute of Child Health |
| ICH | Intangible Cultural Heritage |
| ICH | I/O Controller Hub |
| ICH | International Conference on Harmonization (US FDA) |
| ICH | International Conference on Harmonization (of Technical Requirements for Registration of Pharmaceuticals for Human Use) |
| ICH | Interagency Council on Homelessness |
| ICH | Indian Coffee House (restaurant chain; India) |
| ICH | Inventory Collaboration Hub |
| ICH | Intracranial Hemorrhage |
| ICH | Indication Channel |
| ICH | Integrated Controller Hub |
| ICH | Input Output Controller Hub |
| ICH | Intel Chipset |
| ICH | International Centre for Hydropower (Norway) |
| ICH | Ichthyophthirius Multifiliis (fish parasite) |
| ICH | International Coffee Hour |
| ICH | Infectious Canine Hepatitis |
| ICH | Intelligent Corruption Handling (eMule) |
| ICH | Indigenous Community Housing (Australia) |
| ICH | It.Cultura.Horror (Italian newsgroup) |
| ICH | IATA Clearing House |
| ICH | Intra-Cerebral Hemorrhage |
| ICH | Improved Cargo Helicopter |
| ICH | Interoperability Clearinghouse |
| ICH | Intelligent Connection Handling |
| ICH | Instituto Chileno del Cemento y del Hormigón (Spanish: Chilean Cement and Concrete Institute) |
| ICH | Intra-Circle Hub (India) |
| ICH | Islamic Center of Hawthorne |
| ICH | International Call Handling (Sprint) |
| ICH | Instructor Contact Hour(s) |
| ICH | Institute for Community Housing |
| ICH | Improved Chinook Helicopter |